Dyfyniad APA

Kumar, H. D. (1997). Modern concepts of ecology (8th rev. ed.). Vikas Pub. House ; UBS Publishers' Distributors.

Dyfyniad Arddull Chicago

Kumar, H. D. Modern Concepts of Ecology. 8th rev. ed. New Delhi: Vikas Pub. House ; UBS Publishers' Distributors, 1997.

Dyfyniad MLA

Kumar, H. D. Modern Concepts of Ecology. 8th rev. ed. Vikas Pub. House ; UBS Publishers' Distributors, 1997.

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