Dyfyniad APA

Cozzarelli, N. R. (2000). Making Back Issues of PNAS Online Free. The National Academy of Sciences.

Dyfyniad Arddull Chicago

Cozzarelli, Nicholas R. Making Back Issues of PNAS Online Free. The National Academy of Sciences, 2000.

Dyfyniad MLA

Cozzarelli, Nicholas R. Making Back Issues of PNAS Online Free. The National Academy of Sciences, 2000.

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