APA (7e ed.) Bronvermelding

American Planning Association. (1969). Planning. American Society of Planning Officials.

Chicago (17e ed.) Bronvermelding

American Planning Association. Planning. Chicago, Ill: American Society of Planning Officials, 1969.

MLA (8e ed.) Bronvermelding

American Planning Association. Planning. American Society of Planning Officials, 1969.

Let op: Deze citaties zijn niet altijd 100% accuraat.