Dyfyniad APA

Hougen, O. A., & Watson, K. M. (1954). Chemical Process Principles (2nd ed.). John Wiley.

Dyfyniad Arddull Chicago

Hougen, Olaf. A., and Kenneth M. Watson. Chemical Process Principles. 2nd ed. New York: John Wiley, 1954.

Dyfyniad MLA

Hougen, Olaf. A., and Kenneth M. Watson. Chemical Process Principles. 2nd ed. John Wiley, 1954.

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