APA (7e ed.) Bronvermelding

Walker, R. A. The planning function in urban government. The university of Chicago press.

Chicago (17e ed.) Bronvermelding

Walker, Robert Averill. The Planning Function in Urban Government. The university of Chicago press.

MLA (8e ed.) Bronvermelding

Walker, Robert Averill. The Planning Function in Urban Government. The university of Chicago press.

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