APA (7e ed.) Bronvermelding

Não informado. (2005). Marketing times. Sales and Marketing Executives International.

Chicago (17e ed.) Bronvermelding

Não informado. Marketing Times. New York: Sales and Marketing Executives International, 2005.

MLA (8e ed.) Bronvermelding

Não informado. Marketing Times. Sales and Marketing Executives International, 2005.

Let op: Deze citaties zijn niet altijd 100% accuraat.