Tohutoro APA (7th ed.)
Babbie, E. R. (1986). The practice of social research (4th ed.). Wadsworth Pub. Co..
Tohutoru Kātū Chicago (17th ed.)
Babbie, Earl R. The Practice of Social Research. 4th ed. Belmont, Calif.: Wadsworth Pub. Co., 1986.
Tohutoro MLA (9th ed.)
Babbie, Earl R. The Practice of Social Research. 4th ed. Wadsworth Pub. Co., 1986.
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