APA (7e ed.) Bronvermelding

Yeomans, P. (1958). The challenge of landscape: The development and practiceof keyline. Keyline Publishing.

Chicago (17e ed.) Bronvermelding

Yeomans, P.A. The Challenge of Landscape: The Development and Practiceof Keyline. Sydney: Keyline Publishing, 1958.

MLA (9e ed.) Bronvermelding

Yeomans, P.A. The Challenge of Landscape: The Development and Practiceof Keyline. Keyline Publishing, 1958.

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