Dyfyniad APA

Sherwin, K. (1971). Man Powered Flight. Model and Allied Pub.

Dyfyniad Arddull Chicago

Sherwin, Keith. Man Powered Flight. Herts: Model and Allied Pub, 1971.

Dyfyniad MLA

Sherwin, Keith. Man Powered Flight. Model and Allied Pub, 1971.

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