Dyfyniad APA

Perry, J. H., & Perry, R. H. C. (1963). Chemical Engineers ' Handbook (4th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Perry, John H., and Robert H Chilton Perry. Chemical Engineers ' Handbook. 4th ed. New York: McGraw-Hill, 1963.

Dyfyniad MLA

Perry, John H., and Robert H Chilton Perry. Chemical Engineers ' Handbook. 4th ed. McGraw-Hill, 1963.

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