Dyfyniad APA

Kolata, G. (1997). Clone: The Road to Dolly and the Path Ahead. Penguin.

Dyfyniad Arddull Chicago

Kolata, Gina. Clone: The Road to Dolly and the Path Ahead. London: Penguin, 1997.

Dyfyniad MLA

Kolata, Gina. Clone: The Road to Dolly and the Path Ahead. Penguin, 1997.

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