SWAN, G. (1967). An introduction to the alkaloids. Black well Scientific.
Dyfyniad Arddull ChicagoSWAN, G.A. An Introduction to the Alkaloids. Oxford: Black well Scientific, 1967.
Dyfyniad MLASWAN, G.A. An Introduction to the Alkaloids. Black well Scientific, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.