Cita APA (7a ed.)

Neuman, W. L. (1991). Social research methods: Qualitative and quantitative approaches. Allyn and Bacon.

Cita Chicago Style (17a ed.)

Neuman, William Lawrence. Social Research Methods: Qualitative and Quantitative Approaches. Boston: Allyn and Bacon, 1991.

Cita MLA (8a ed.)

Neuman, William Lawrence. Social Research Methods: Qualitative and Quantitative Approaches. Allyn and Bacon, 1991.