Styl cytowania APA

Varma, A. K. (1987). Classified Catalogue Code(entries and procedure).

Styl cytowania Chicago

Varma, A K. Classified Catalogue Code(entries and Procedure). New Delhi, Vishwa-Kala Prakashan, 1987.

Styl cytowania MLA

Varma, A K. Classified Catalogue Code(entries and Procedure). 1987.