Dyfyniad APA
Kroschwitz, J. I., & Winokur, M. (1980). Chemistry, a first course. McGraw-Hill.
Dyfyniad Arddull Chicago
Kroschwitz, Jacqueline I., and Melvin Winokur. Chemistry, a First Course. New York: McGraw-Hill, 1980.
Dyfyniad MLA
Kroschwitz, Jacqueline I., and Melvin Winokur. Chemistry, a First Course. McGraw-Hill, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.