Dyfyniad APA

Chen, P. (1968). Chemistry: Inorganic, organic and biological. Barnes and Noble.

Dyfyniad Arddull Chicago

Chen, Phillip. Chemistry: Inorganic, Organic and Biological. New York: Barnes and Noble, 1968.

Dyfyniad MLA

Chen, Phillip. Chemistry: Inorganic, Organic and Biological. Barnes and Noble, 1968.

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