APA (7th ed.) Zitazioa

Walas, S. M. (1988). Chemical process equipment. Butterworths.

Chicago Style (17th ed.) Zitazioa

Walas, Stanley M. Chemical Process Equipment. Boston: Butterworths, 1988.

MLA (9th ed.) Zitazioa

Walas, Stanley M. Chemical Process Equipment. Butterworths, 1988.