Cita APA

Ribisl, K. M., Kim, A. E., & Williams, R. S. (2002). Are the Sales Practices of Internet Cigarette Vendors Good Enough to Prevent Sales to Minors? © American Journal of Public Health 2002.

Chicago Style Citation

Ribisl, Kurt M., Annice E. Kim, i Rebecca S. Williams. Are the Sales Practices of Internet Cigarette Vendors Good Enough to Prevent Sales to Minors? © American Journal of Public Health 2002, 2002.

Cita MLA

Ribisl, Kurt M., Annice E. Kim, i Rebecca S. Williams. Are the Sales Practices of Internet Cigarette Vendors Good Enough to Prevent Sales to Minors? © American Journal of Public Health 2002, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.