Dyfyniad APA

Herring, M. Y. (2006). Genetic engineering. Greenwood Press.

Dyfyniad Arddull Chicago

Herring, Mark Youngblood. Genetic Engineering. Westport, Conn.: Greenwood Press, 2006.

Dyfyniad MLA

Herring, Mark Youngblood. Genetic Engineering. Greenwood Press, 2006.

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