Dyfyniad APA

Felt, E. P. (1940). Plant galls and gall makers. Cromstock publishing co, Inc.

Dyfyniad Arddull Chicago

Felt, Ephraim Porter. Plant Galls and Gall Makers. USA: Cromstock publishing co, Inc, 1940.

Dyfyniad MLA

Felt, Ephraim Porter. Plant Galls and Gall Makers. Cromstock publishing co, Inc, 1940.

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