Smith, R. (2013). Human behavior and the social environment: Social systems theory (7th ed.). Pearson/Allyn and Bacon.
Citazione stile Chigago Style (17a edizione)Smith, Rebecca. Human Behavior and the Social Environment: Social Systems Theory. 7th ed. Boston: Pearson/Allyn and Bacon, 2013.
Citatione MLA (9a ed.)Smith, Rebecca. Human Behavior and the Social Environment: Social Systems Theory. 7th ed. Pearson/Allyn and Bacon, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.