Cita APA (7th ed.)
West, C. D. (1987). Essentials of quantitative analysis. McGraw-Hill Book Co..
Cita Chicago (17th ed.)
West, C. David. Essentials of Quantitative Analysis. New York: McGraw-Hill Book Co., 1987.
Cita MLA (9th ed.)
West, C. David. Essentials of Quantitative Analysis. McGraw-Hill Book Co., 1987.
Atenció: Aquestes cites poden no estar 100% correctes.