APA (7e ed.) Bronvermelding

BABBIE, E. (1989). The Practice Of Social Research Earl Babbie. Wadsworth Publishing.

Chicago (17e ed.) Bronvermelding

BABBIE, Earl. The Practice Of Social Research Earl Babbie. Wadsworth Publishing, 1989.

MLA (8e ed.) Bronvermelding

BABBIE, Earl. The Practice Of Social Research Earl Babbie. Wadsworth Publishing, 1989.

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