Barnett, R. A. (1987). Calculus: For Management, Life and Social Science (4th.). Dellen Publishing Company.
Cita Chicago (17th ed.)Barnett, Raymond A. Calculus: For Management, Life and Social Science. 4th. New York: Dellen Publishing Company, 1987.
Cita MLA (9th ed.)Barnett, Raymond A. Calculus: For Management, Life and Social Science. 4th. Dellen Publishing Company, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.