Hamilton, L. F., & Simpson, S. G. (1960). Calculations of analytical chemistry (6a. ed.). McGraw Hill.

Hamilton, Leicester Forsyth, and Stephen Gershom Simpson. Calculations of Analytical Chemistry. 6a. ed. Nueva York: McGraw Hill, 1960.

Hamilton, Leicester Forsyth, and Stephen Gershom Simpson. Calculations of Analytical Chemistry. 6a. ed. McGraw Hill, 1960.