Case Books were kept, with each patient being given a reference number.

You should write your personal reference number clearly on the back.

However please make sure you use the correct reference number.

The reference number is made up of 11 characters, for example: 1234567890K.

It also acts as a reference number for the whole social security system.

Include any reference number you have in your appeal letter.

When my secretary made the request, all she'd given him was a reference number.

A number of references can be found in this library.

It is important that you provide an accurate reference number.

Freshmen are given reference numbers to call for different problems.