Dyfyniad APA

Aryal, U., Petzold, M., & Krettek, A. (2016). Perceived Risks and Benefits of Cigarette Smoking among Nepalese Adolescents: A Population-Based Cross-Sectional Study.

Dyfyniad Arddull Chicago

Aryal, UR, M. Petzold, and A. Krettek. Perceived Risks and Benefits of Cigarette Smoking Among Nepalese Adolescents: A Population-Based Cross-Sectional Study. 2016.

Dyfyniad MLA

Aryal, UR, et al. Perceived Risks and Benefits of Cigarette Smoking Among Nepalese Adolescents: A Population-Based Cross-Sectional Study. 2016.

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