PARK, C. S., & SHARP-BETTE, G. P. (1990). Advanced engineering economics. John Wiley and Sons.
Cita Chicago (17th ed.)PARK, Chan S., i Gunter P. SHARP-BETTE. Advanced Engineering Economics. New York: John Wiley and Sons, 1990.
Cita MLA (9th ed.)PARK, Chan S., i Gunter P. SHARP-BETTE. Advanced Engineering Economics. John Wiley and Sons, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.