Friedman, S. (1974). Environments: Notes and selections on ojects, spaces, and behavior. Brooks/Cole.
Chicago-referens (17:e uppl.)Friedman, Stephen. Environments: Notes and Selections on Ojects, Spaces, and Behavior. Monterey, Calif: Brooks/Cole, 1974.
MLA-referens (9:e uppl.)Friedman, Stephen. Environments: Notes and Selections on Ojects, Spaces, and Behavior. Brooks/Cole, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.