Dyfyniad APA

Smith. Wingbeats and Heartbeats. University of Wisconsin Press.

Dyfyniad Arddull Chicago

Smith. Wingbeats and Heartbeats. University of Wisconsin Press.

Dyfyniad MLA

Smith. Wingbeats and Heartbeats. University of Wisconsin Press.

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