APA (7e ed.) Bronvermelding

ANDERSON, R. E. (1979). Human behavior in the social environment: A social sys-tems approach.-- Ed.2. Aldine.

Chicago (17e ed.) Bronvermelding

ANDERSON, Ralp E. Human Behavior in the Social Environment: A Social Sys-tems Approach.-- Ed.2. New York: Aldine, 1979.

MLA (9e ed.) Bronvermelding

ANDERSON, Ralp E. Human Behavior in the Social Environment: A Social Sys-tems Approach.-- Ed.2. Aldine, 1979.