DRAPER, J. E. (1967). Mathematical analysis: Business and economic applications. Harper.
Cita Chicago (17th ed.)DRAPER, Jean E. Mathematical Analysis: Business and Economic Applications. New York: Harper, 1967.
Cita MLA (9th ed.)DRAPER, Jean E. Mathematical Analysis: Business and Economic Applications. Harper, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.