APA (7e ed.) Bronvermelding

Robbins, W. G. (1997). Landscapes of promise: The Oregon story, 1800-1940. University of Washington Press.

Chicago (17e ed.) Bronvermelding

Robbins, William G. Landscapes of Promise: The Oregon Story, 1800-1940. Seattle: University of Washington Press, 1997.

MLA (9e ed.) Bronvermelding

Robbins, William G. Landscapes of Promise: The Oregon Story, 1800-1940. University of Washington Press, 1997.