Dyfyniad APA

Dobson, M. A., & Frid, C. A. (2009). Ecology of aquatic systems (2nd ed.).

Dyfyniad Arddull Chicago

Dobson, Michael; Author, and Chris; Author Frid. Ecology of Aquatic Systems. 2nd ed. Oxford, Oxford University Press, 2009.

Dyfyniad MLA

Dobson, Michael; Author, and Chris; Author Frid. Ecology of Aquatic Systems. 2nd ed. 2009.

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