Dyfyniad APA

Rana, S. V. S. (2005). Essentials of Ecology and Environmental Science (2nd ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Rana, S. V. S. Essentials of Ecology and Environmental Science. 2nd ed. New Delhi: Prentice Hall, 2005.

Dyfyniad MLA

Rana, S. V. S. Essentials of Ecology and Environmental Science. 2nd ed. Prentice Hall, 2005.

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