Dyfyniad APA

Foster, D. S. (1962). Dictionary of commercial chemicals. Van Nostrand.

Dyfyniad Arddull Chicago

Foster, Dee Sneel. Dictionary of Commercial Chemicals. New Jersey: Van Nostrand, 1962.

Dyfyniad MLA

Foster, Dee Sneel. Dictionary of Commercial Chemicals. Van Nostrand, 1962.

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