Gilbert, R. (1988). 200 Rose plants anyone can grow. Dorling kinderstey.
Dyfyniad Arddull ChicagoGilbert, Richard. 200 Rose Plants Anyone Can Grow. London: Dorling kinderstey, 1988.
Dyfyniad MLAGilbert, Richard. 200 Rose Plants Anyone Can Grow. Dorling kinderstey, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.