APA Citatie

Helen, A. (1997). Role of some vitamins on cigarette smoking. Department of Biochemistry University of Kerala.

Chicago Style citaat

Helen, A. Role of Some Vitamins on Cigarette Smoking. Kariavattom: Department of Biochemistry University of Kerala, 1997.

MLA citatie

Helen, A. Role of Some Vitamins on Cigarette Smoking. Department of Biochemistry University of Kerala, 1997.

Let op: Deze citaties zijn niet altijd 100% accuraat.