APA-viite (7. p.)

Babbie, E. (1998). The practice of social research (8th.ed.). Wadsworth.

Chicago-viite (17. p.)

Babbie, Earl. The Practice of Social Research. 8th.ed. Belmont: Wadsworth, 1998.

MLA-viite (9. p.)

Babbie, Earl. The Practice of Social Research. 8th.ed. Wadsworth, 1998.