Dyfyniad APA

Perry, R. H., Chilton, C. H., & Perry, J. H. (1973). Chemical engineers' handbook (5th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Perry, Robert H., Cecil Hamilton Chilton, and John Howard Perry. Chemical Engineers' Handbook. 5th ed. New York: McGraw-Hill, 1973.

Dyfyniad MLA

Perry, Robert H., et al. Chemical Engineers' Handbook. 5th ed. McGraw-Hill, 1973.

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