APA ציטוט

Eckhardt, K. W., & Ermann, M. D. (1977). Social research methods: Perspective, theory, and analysis. Random House.

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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