Trích dẫn APA

Lee, P. N. (1991). Relation of urinary cotinine concentrations to cigarette smoking and to exposure to other people's smoke.

Trích dẫn kiểu Chicago

Lee, P N. Relation of Urinary Cotinine Concentrations to Cigarette Smoking and to Exposure to Other People's Smoke. 1991.

Trích dẫn MLA

Lee, P N. Relation of Urinary Cotinine Concentrations to Cigarette Smoking and to Exposure to Other People's Smoke. 1991.

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