Dyfyniad APA

Rigby, P. W. J. (1987). Genetic Engineering. Academic Press.

Dyfyniad Arddull Chicago

Rigby, Peter W J. Genetic Engineering. London: Academic Press, 1987.

Dyfyniad MLA

Rigby, Peter W J. Genetic Engineering. Academic Press, 1987.

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