Cita APA (7th ed.)
Aries, R. S., & Newton, R. D. (1985). Chemical engineering cost estimation. McGraw-Hill.
Cita Chicago (17th ed.)
Aries, Robert S., i Robert D. Newton. Chemical Engineering Cost Estimation. Nueva York, EUA: McGraw-Hill, 1985.
Cita MLA (9th ed.)
Aries, Robert S., i Robert D. Newton. Chemical Engineering Cost Estimation. McGraw-Hill, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.