Cita APA (7th ed.)
HU, T., & ET AL. CIGARETTE CONSUMPTION AND SALES OF NICOTINE REPLACEMENT PRODUCTS.
Cita Chicago (17th ed.)
HU, T., i ET AL. CIGARETTE CONSUMPTION AND SALES OF NICOTINE REPLACEMENT PRODUCTS.
Cita MLA (9th ed.)
HU, T., i ET AL. CIGARETTE CONSUMPTION AND SALES OF NICOTINE REPLACEMENT PRODUCTS.
Atenció: Aquestes cites poden no estar 100% correctes.