Παραπομπή APA

Ahuja, B. N. C. (1990). Public relations and advertising.

Παραπομπή Chicago Style

Ahuja, B N; Chhabra. Public Relations and Advertising. Surjeet Publications:New Delhi, 1990.

Παραπομπή MLA

Ahuja, B N; Chhabra. Public Relations and Advertising. 1990.