APA (7e ed.) Bronvermelding

Birnbaum, C. A., & Karson, R. S. (2000). Pioneers of American landscape design. McGraw Hill.

Chicago (17e ed.) Bronvermelding

Birnbaum, Charles A., en Robin S. Karson. Pioneers of American Landscape Design. New York: McGraw Hill, 2000.

MLA (9e ed.) Bronvermelding

Birnbaum, Charles A., en Robin S. Karson. Pioneers of American Landscape Design. McGraw Hill, 2000.