Gaya APA

neuman, L, W., hanson, C. (1997). Social Research Method: Qualitative and Quantitative Approaches: Third Edition . Boston: allyn an bacon.

Gaya MLA

neuman, Lawrence, W.., hanson, Caren. "Social Research Method: Qualitative and Quantitative Approaches: Third Edition". Boston: allyn an bacon, 1997. Text.