APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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