Dyfyniad APA

Himalayan Environment Trust (India). (1991). The Himalayas: Ecology & environment. Himalayan Environment Trust.

Dyfyniad Arddull Chicago

Himalayan Environment Trust (India). The Himalayas: Ecology & Environment. New Delhi: Himalayan Environment Trust, 1991.

Dyfyniad MLA

Himalayan Environment Trust (India). The Himalayas: Ecology & Environment. Himalayan Environment Trust, 1991.

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