R F Raffauf. (1970). A handbook of alkaloids and alkaloid containing plants. New York: John Wiley.
Dyfyniad Arddull ChicagoR F Raffauf. A Handbook of Alkaloids and Alkaloid Containing Plants. New York: John Wiley, 1970.
Dyfyniad MLAR F Raffauf. A Handbook of Alkaloids and Alkaloid Containing Plants. New York: John Wiley, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.