Hein, M. (1976). College chemistry. Encino, Calif: Dickenson Pub. Co.
Chicago Style CitationHein, Morris. College Chemistry. Encino, Calif: Dickenson Pub. Co, 1976.
Cita MLAHein, Morris. College Chemistry. Encino, Calif: Dickenson Pub. Co, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.