Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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