Guggenheimer, J., Zullo, T. G., Kruper, D. C., & Verbin, R. S. (1986). Changing trends of tobacco use in a teenage population in western Pennsylvania.
Citação norma ChicagoGuggenheimer, J., T G. Zullo, D C. Kruper, and R S. Verbin. Changing Trends of Tobacco Use in a Teenage Population in Western Pennsylvania. 1986.
MLA CitationGuggenheimer, J., T G. Zullo, D C. Kruper, and R S. Verbin. Changing Trends of Tobacco Use in a Teenage Population in Western Pennsylvania. 1986.
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