Dyfyniad APA

American Association for the Advancement of Science. (2000). Science; Drug discovery. s.e.

Dyfyniad Arddull Chicago

American Association for the Advancement of Science. Science; Drug Discovery. Massachusetts: s.e, 2000.

Dyfyniad MLA

American Association for the Advancement of Science. Science; Drug Discovery. s.e, 2000.

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