Dyfyniad APA

Audubon, J. J. (1839). A synopsis of the birds of North America. A. and C. Black.

Dyfyniad Arddull Chicago

Audubon, John James. A Synopsis of the Birds of North America. Edinburgh: A. and C. Black, 1839.

Dyfyniad MLA

Audubon, John James. A Synopsis of the Birds of North America. A. and C. Black, 1839.

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