APA ציטוט

Babbie, E. R. (1979). The practice of social research (2nd. ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Babbie, Earl R. The Practice of Social Research. 2nd. ed. Carlifornia: Wadsworth, 1979.

ציטוט MLA

Babbie, Earl R. The Practice of Social Research. 2nd. ed. Wadsworth, 1979.