Dyfyniad APA

Nearing, G. (1947). The lichen book: Handbook of the lichens of Northeastern United States ; 700 drawings by the author. E. Lundberg.

Dyfyniad Arddull Chicago

Nearing, G.G. The Lichen Book: Handbook of the Lichens of Northeastern United States ; 700 Drawings by the Author. Ashton, Md: E. Lundberg, 1947.

Dyfyniad MLA

Nearing, G.G. The Lichen Book: Handbook of the Lichens of Northeastern United States ; 700 Drawings by the Author. E. Lundberg, 1947.

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