APA (7e ed.) Bronvermelding

Porteous, J. D. (1996). Environmental aesthetics: Ideas, politics and planning. [s.n.].

Chicago (17e ed.) Bronvermelding

Porteous, J. Douglas. Environmental Aesthetics: Ideas, Politics and Planning. Routledge: [s.n.], 1996.

MLA (9e ed.) Bronvermelding

Porteous, J. Douglas. Environmental Aesthetics: Ideas, Politics and Planning. [s.n.], 1996.

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