APA (7e ed.) Bronvermelding

Não informado. (1964). Market Research Abstracts. Market Research Society.

Chicago (17e ed.) Bronvermelding

Não informado. Market Research Abstracts. London: Market Research Society, 1964.

MLA (8e ed.) Bronvermelding

Não informado. Market Research Abstracts. Market Research Society, 1964.

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