Zumdal, S. S. (1995). Chemical Principles (2nd.). D.C. Health and Company.
Chicago (17e ed.) BronvermeldingZumdal, Steven S. Chemical Principles. 2nd. Massachusetts, Toronto: D.C. Health and Company, 1995.
MLA (9e ed.) BronvermeldingZumdal, Steven S. Chemical Principles. 2nd. D.C. Health and Company, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.