Babbie, E. R. (1982). Social research for consumers. Wadsworth Publishing Co..
Chicago Style (17th ed.) ZitazioaBabbie, Earl R. Social Research for Consumers. Belmont: Wadsworth Publishing Co., 1982.
MLA (9th ed.) ZitazioaBabbie, Earl R. Social Research for Consumers. Wadsworth Publishing Co., 1982.
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