Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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