Citazione Stile APA (7a Edizione)

Rubin, A., & Babbie, E. (1989). Research methods for social work. Wadsworth.

Citazione stile Chigago Style (17a edizione)

Rubin, Allen, e Earl Babbie. Research Methods for Social Work. Belmont, Calif: Wadsworth, 1989.

Citatione MLA (9a ed.)

Rubin, Allen, e Earl Babbie. Research Methods for Social Work. Wadsworth, 1989.