Dyfyniad APA

Thiers, H. D. (1975). California mushrooms: A field guide to the boletes. Hafner Press.

Dyfyniad Arddull Chicago

Thiers, Harry Delbert. California Mushrooms: A Field Guide to the Boletes. New York: Hafner Press, 1975.

Dyfyniad MLA

Thiers, Harry Delbert. California Mushrooms: A Field Guide to the Boletes. Hafner Press, 1975.

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