Roueche, N. W., & Graves, V. H. (2001). Business mathematics: A collegiate approach (8th ed.). Prentice Hall.
Cita Chicago (17th ed.)Roueche, Nelda W., i Virginia H. Graves. Business Mathematics: A Collegiate Approach. 8th ed. Upper Saddle River, New Jersey: Prentice Hall, 2001.
Cita MLA (9th ed.)Roueche, Nelda W., i Virginia H. Graves. Business Mathematics: A Collegiate Approach. 8th ed. Prentice Hall, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.