Dyfyniad APA

Herrick, E. C. (1979). Unit Process Guide to Organic Chemical Industries. Ann Arbor.

Dyfyniad Arddull Chicago

Herrick, Elbert C. Unit Process Guide to Organic Chemical Industries. Mich: Ann Arbor, 1979.

Dyfyniad MLA

Herrick, Elbert C. Unit Process Guide to Organic Chemical Industries. Ann Arbor, 1979.

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