Ebbing, D. (1990). General chemistry. Houghton Mifflin.
Cita Chicago (17th ed.)Ebbing, Darrell. General Chemistry. Boston: Houghton Mifflin, 1990.
Cita MLA (9th ed.)Ebbing, Darrell. General Chemistry. Houghton Mifflin, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.