APA (7. basım) Alıntı

COWELL DONALD W. (1984). MARKETING SERVICES. HEINEMANN.

Chicago Style (17. basım) Atıf

COWELL DONALD W. MARKETING SERVICES. LONDON: HEINEMANN, 1984.

MLA (9th ed.) Atıf

COWELL DONALD W. MARKETING SERVICES. HEINEMANN, 1984.