wiarygodne źródło

This area would have been a more reliable source of water.

On that subject a man was not a reliable source.

As the industry took a hold, more water and from a reliable source was required.

The Government wanted a good, reliable source of food, and we did it.

"Oh, I would just say the information came from a reliable source."

The information comes to me by a most reliable source (more about him in a moment).

They were a reliable source of political strength for him.

So far, though, there is no reliable source for this information.

"I was there at the time, along with six other people, all of whom you might consider reliable sources."

They are the ones that seem to be a more reliable source of work when times get tough.

To these details may be added a very remarkable circumstance, which I received from another but not less authentic source.

In all of this he only made use of the authentic sources: writings and images by the believers themselves.

The most authentic sources suggest that the grave is near Damascus.

No written document nor any authentic sources are available to verify this account of its name.

He uses authentic sources while writing the books, which is why they are appreciated by scholars.

Girart is not described as being from Roussillon in authentic historical sources.

I have studied your past record - obtained from authentic sources.

Bava used to keep a personal diary, which has become an authentic source of history of his times.

This is one of the most authentic sources about the Gandapurs from the latter half of the 19th century.

Therefore, I have carefully collated the materials for such a work, from authentic sources, and here present them to the public.