APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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