Dyfyniad APA

Leach, . D. G. (1961). Rhododendrons of the world and how to grow them. Charles Scribners Sons.

Dyfyniad Arddull Chicago

Leach, D G. Rhododendrons of the World and How to Grow Them. New York: Charles Scribners Sons, 1961.

Dyfyniad MLA

Leach, D G. Rhododendrons of the World and How to Grow Them. Charles Scribners Sons, 1961.

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