Citazione Stile APA (7a Edizione)

Babbie, E. (2004). The Practice of Social Research (10th.). Thomson Learning.

Citazione stile Chigago Style (17a edizione)

Babbie, Earl. The Practice of Social Research. 10th. Singapore: Thomson Learning, 2004.

Citatione MLA (9a ed.)

Babbie, Earl. The Practice of Social Research. 10th. Thomson Learning, 2004.