Zastrow, C., & Kirst-Ashman, K. K. (2007). Understanding human behavior and the social environment (Séptima edición.). Thomson Brooks/Cole.
Čikaški stil citiranja (17. izdanje)Zastrow, Charles, i Karen K. Kirst-Ashman. Understanding Human Behavior and the Social Environment. Séptima edición. Belmont, CA: Thomson Brooks/Cole, 2007.
MLA način citiranja (8. izdanje)Zastrow, Charles, i Karen K. Kirst-Ashman. Understanding Human Behavior and the Social Environment. Séptima edición. Thomson Brooks/Cole, 2007.
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