Dyfyniad APA

Howard, J. (2001). Darwin: A Very Short Introduction (1st.). Oxford.

Dyfyniad Arddull Chicago

Howard, Jonathan. Darwin: A Very Short Introduction. 1st. Oxford, 2001.

Dyfyniad MLA

Howard, Jonathan. Darwin: A Very Short Introduction. 1st. Oxford, 2001.

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