APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.