Sorum, C. H. (1981). How to solve general chemistry problems (6th ed. ed.). Prentice-Hall.
Cita Chicago (17th ed.)Sorum, C H. How to Solve General Chemistry Problems. 6th ed. ed. Englewood Cliffs, N. J: Prentice-Hall, 1981.
Cita MLA (9th ed.)Sorum, C H. How to Solve General Chemistry Problems. 6th ed. ed. Prentice-Hall, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.