Dyfyniad APA

Duthie, J. F. (1979). Orchids of the North - Western Himalaya. Bishen Singh Mahendra Pal Singh.

Dyfyniad Arddull Chicago

Duthie, J F. Orchids of the North - Western Himalaya. Dehradun: Bishen Singh Mahendra Pal Singh, 1979.

Dyfyniad MLA

Duthie, J F. Orchids of the North - Western Himalaya. Bishen Singh Mahendra Pal Singh, 1979.

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