Παραπομπή APA

Girijakumar. (1972). purchase of books by public libraries. HMSO.

Παραπομπή Chicago Style

Girijakumar. Purchase of Books by Public Libraries. London: HMSO, 1972.

Παραπομπή MLA

Girijakumar. Purchase of Books by Public Libraries. HMSO, 1972.