Dyfyniad APA

PERRY'S & PERRY, R. H. e. [. (1997). Perry's chemical engineers' handbook.-- ed.7. McGraw Hill.

Dyfyniad Arddull Chicago

PERRY'S and Robert H et.al [ed] PERRY. Perry's Chemical Engineers' Handbook.-- Ed.7. New York: McGraw Hill, 1997.

Dyfyniad MLA

PERRY'S and Robert H et.al [ed] PERRY. Perry's Chemical Engineers' Handbook.-- Ed.7. McGraw Hill, 1997.

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