Aryal, U., Petzold, M., & Krettek, A. (2016). Perceived Risks and Benefits of Cigarette Smoking among Nepalese Adolescents: A Population-Based Cross-Sectional Study.
Chicago-viite (17. p.)Aryal, UR, M. Petzold, ja A. Krettek. Perceived Risks and Benefits of Cigarette Smoking Among Nepalese Adolescents: A Population-Based Cross-Sectional Study. 2016.
MLA-viite (8. p.)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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