Dyfyniad APA

Pecsok, R. L. (1975). Chemical Technician Curriculam Project Writing Team. Chemical Technology Handbook. American Chemical Society.

Dyfyniad Arddull Chicago

Pecsok, Robert L. Chemical Technician Curriculam Project Writing Team. Chemical Technology Handbook. Washington: American Chemical Society, 1975.

Dyfyniad MLA

Pecsok, Robert L. Chemical Technician Curriculam Project Writing Team. Chemical Technology Handbook. American Chemical Society, 1975.

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