Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.