Becker, R. S., & Wentworth, W. E. (1973). General chemistry. Houghton Mifflin.
Cita Chicago (17th ed.)Becker, Ralph Sherman, i Wayne Ernest Wentworth. General Chemistry. Boston: Houghton Mifflin, 1973.
Cita MLA (9th ed.)Becker, Ralph Sherman, i Wayne Ernest Wentworth. General Chemistry. Houghton Mifflin, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.