APA (7e ed.) Bronvermelding

Não informado. (1974). Land use planning abstracts. Environment Information Center.

Chicago (17e ed.) Bronvermelding

Não informado. Land Use Planning Abstracts. New York: Environment Information Center, 1974.

MLA (8e ed.) Bronvermelding

Não informado. Land Use Planning Abstracts. Environment Information Center, 1974.

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