APA-viite (7. p.)

Babbie, E. R. (2007). The practice of social research (Eleventh edition.). Thomson/Wadsworth.

Chicago-viite (17. p.)

Babbie, Earl R. The Practice of Social Research. Eleventh edition. Australia: Thomson/Wadsworth, 2007.

MLA-viite (9. p.)

Babbie, Earl R. The Practice of Social Research. Eleventh edition. Thomson/Wadsworth, 2007.