JOHNSEN, R. H. (1971). Atoms, molecules and chemical change. Prentice-Hall.
Cita Chicago (17th ed.)JOHNSEN, Russell H. Atoms, Molecules and Chemical Change. Englewood Cliffs, N.J: Prentice-Hall, 1971.
Cita MLA (9th ed.)JOHNSEN, Russell H. Atoms, Molecules and Chemical Change. Prentice-Hall, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.