Dyfyniad APA

Amend, J. R. (1990). General, organic and biological chemistry. Saunders college.

Dyfyniad Arddull Chicago

Amend, John R. General, Organic and Biological Chemistry. Philadelphia: Saunders college, 1990.

Dyfyniad MLA

Amend, John R. General, Organic and Biological Chemistry. Saunders college, 1990.

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