Cita APA (7th ed.)
Norlin, J. M., & Chess, W. A. (2003). Human behavior and social environment: Social systems theory (4th ed.). Allyn & Bacon.
Cita Chicago (17th ed.)
Norlin, Julia M., i Wayne A. Chess. Human Behavior and Social Environment: Social Systems Theory. 4th ed. London: Allyn & Bacon, 2003.
Cita MLA (9th ed.)
Norlin, Julia M., i Wayne A. Chess. Human Behavior and Social Environment: Social Systems Theory. 4th ed. Allyn & Bacon, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.