ANDERSON, R. E., & CARTER, I. E. (1977). Human behavior in the social environment: A social sys-tem approach.-- Ed.1. Aldine.
Lua i Stíl Chicago (17ú heag.)ANDERSON, Ralph E., agus Irl E. CARTER. Human Behavior in the Social Environment: A Social Sys-tem Approach.-- Ed.1. Chicago: Aldine, 1977.
Lua MLA (9ú heag.)ANDERSON, Ralph E., agus Irl E. CARTER. Human Behavior in the Social Environment: A Social Sys-tem Approach.-- Ed.1. Aldine, 1977.
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