APA aipamena

Babbie,Earl. (2014). Basics of Social Research (6th.). Wadsworth,Cengage Learning.

Chicago Style aipamena

Babbie,Earl. Basics of Social Research. 6th. Australia: Wadsworth,Cengage Learning, 2014.

MLA aipamena

Babbie,Earl. Basics of Social Research. 6th. Wadsworth,Cengage Learning, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.