Dyfyniad APA

(1971). Encyclopaedia of garden plant and flowers. Readers Digest Association.

Dyfyniad Arddull Chicago

Encyclopaedia of Garden Plant and Flowers. London: Readers Digest Association, 1971.

Dyfyniad MLA

Encyclopaedia of Garden Plant and Flowers. Readers Digest Association, 1971.

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