Dyfyniad APA

Kowalchik, C., & Hylton, . W. H. (1987). Rodale's illustrated encyclopedia of herbs (First edition.). Rodale Press.

Dyfyniad Arddull Chicago

Kowalchik, Claire, and William H. Hylton. Rodale's Illustrated Encyclopedia of Herbs. First edition. Pensylvania: Rodale Press, 1987.

Dyfyniad MLA

Kowalchik, Claire, and William H. Hylton. Rodale's Illustrated Encyclopedia of Herbs. First edition. Rodale Press, 1987.

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