KLOPFENSTEIN, K. F. (1991). Exponential and logarithmic functions. Davies and Associates Academic Pub.
Cita Chicago (17th ed.)KLOPFENSTEIN, Kenneth F. Exponential and Logarithmic Functions. Aurora: Davies and Associates Academic Pub, 1991.
Cita MLA (9th ed.)KLOPFENSTEIN, Kenneth F. Exponential and Logarithmic Functions. Davies and Associates Academic Pub, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.