Cita APA

Eckhardt, K. W., & Ermann,M.David. (1977). Social research methods: Perspective theory and analysis. Randon.

Citación estilo Chicago

Eckhardt, Kenneth W., and Ermann,M.David. Social Research Methods: Perspective Theory and Analysis. New York: Randon, 1977.

Cita MLA

Eckhardt, Kenneth W., and Ermann,M.David. Social Research Methods: Perspective Theory and Analysis. Randon, 1977.

Warning: These citations may not always be 100% accurate.