Dyfyniad APA

Herb Society of America. The Herbarist. Herb Society of America.

Dyfyniad Arddull Chicago

Herb Society of America. The Herbarist. Concord, Mass. [etc.]: Herb Society of America.

Dyfyniad MLA

Herb Society of America. The Herbarist. Herb Society of America.

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