Dyfyniad APA

Roberts,Rugh. (1951). The Frog: Its Reproduction and Developement. Tata McGraw -Hill Publishing Company.

Dyfyniad Arddull Chicago

Roberts,Rugh. The Frog: Its Reproduction and Developement. Bombay: Tata McGraw -Hill Publishing Company, 1951.

Dyfyniad MLA

Roberts,Rugh. The Frog: Its Reproduction and Developement. Tata McGraw -Hill Publishing Company, 1951.

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