APA (7e ed.) Bronvermelding

Bell, G. (1973). Urban environments and human behavior an: Annotated bibliography. Dowden, Hutchinson and Ross.

Chicago (17e ed.) Bronvermelding

Bell, Gwen. Urban Environments and Human Behavior an: Annotated Bibliography. Stroudsburg, Pa.: Dowden, Hutchinson and Ross, 1973.

MLA (9e ed.) Bronvermelding

Bell, Gwen. Urban Environments and Human Behavior an: Annotated Bibliography. Dowden, Hutchinson and Ross, 1973.