APA (7th ed.) Zitazioa

Tyler, C. (1959). Chemical engineering economics. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Tyler, Chaplin. Chemical Engineering Economics. New York: McGraw-Hill, 1959.

MLA (9th ed.) Zitazioa

Tyler, Chaplin. Chemical Engineering Economics. McGraw-Hill, 1959.