Dyfyniad APA

Raymond J Pool. (1941). Flowers and flowering plants. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Raymond J Pool. Flowers and Flowering Plants. New York: McGraw-Hill, 1941.

Dyfyniad MLA

Raymond J Pool. Flowers and Flowering Plants. New York: McGraw-Hill, 1941.

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