Dyfyniad APA

Allaby, M. (1998). A Dictionary of ecology (2nd ed.). Oxford University Press.

Dyfyniad Arddull Chicago

Allaby, Michael. A Dictionary of Ecology. 2nd ed. Oxford: Oxford University Press, 1998.

Dyfyniad MLA

Allaby, Michael. A Dictionary of Ecology. 2nd ed. Oxford University Press, 1998.

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