Norlin, J. M., & Chess, W. A. (2003). Human behavior and social environment: Social systems theory (4th ed.). Allyn & Bacon.
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Chicago-čujuhus (17. p.)
Norlin, Julia M., juo Wayne A. Chess. Human Behavior and Social Environment: Social Systems Theory. 4th ed. London: Allyn & Bacon, 2003.
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MLA-čujuhus (9. p.)
Norlin, Julia M., juo Wayne A. Chess. Human Behavior and Social Environment: Social Systems Theory. 4th ed. Allyn & Bacon, 2003.
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