Dyfyniad APA

(1997). Working with proteins. [United States]: Cogito Learning Media.

Dyfyniad Arddull Chicago

Working With Proteins. [United States]: Cogito Learning Media, 1997.

Dyfyniad MLA

Working With Proteins. [United States]: Cogito Learning Media, 1997.

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