APA (7. basım) Alıntı

Gelb, B. D. (1978). Marketing expansion in a shrinking world: 1978 business proceedings. American Marketing Association.

Chicago Style (17. basım) Atıf

Gelb, Betsy D. Marketing Expansion in a Shrinking World: 1978 Business Proceedings. Chicago: American Marketing Association, 1978.

MLA (8th ed.) Atıf

Gelb, Betsy D. Marketing Expansion in a Shrinking World: 1978 Business Proceedings. American Marketing Association, 1978.