Dyfyniad APA

Weiner, J. The beak of the finch: Story of evolution in our time. Knopf.

Dyfyniad Arddull Chicago

Weiner, Jonathan. The Beak of the Finch: Story of Evolution in Our Time. New York: Knopf.

Dyfyniad MLA

Weiner, Jonathan. The Beak of the Finch: Story of Evolution in Our Time. Knopf.

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