Garrett, D. E. (1989). Chemical engineering economics (1a. ed.). Van Nostrand Reinhold.
Cita Chicago (17th ed.)Garrett, Donald E. Chemical Engineering Economics. 1a. ed. Nueva York: Van Nostrand Reinhold, 1989.
Cita MLA (9th ed.)Garrett, Donald E. Chemical Engineering Economics. 1a. ed. Van Nostrand Reinhold, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.