Dyfyniad APA

Werth, B. (1994). The billion-dollar molecule: One company’s quest for the perfect drug. New York, NY: Simon & Schuster.

Dyfyniad Arddull Chicago

Werth, Barry. The Billion-dollar Molecule: One Company’s Quest for the Perfect Drug. New York, NY: Simon & Schuster, 1994.

Dyfyniad MLA

Werth, Barry. The Billion-dollar Molecule: One Company’s Quest for the Perfect Drug. New York, NY: Simon & Schuster, 1994.

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