Cita APA (7th ed.)
Ebbert, J., & ET AL. A comparison of three smokeless tobacco dependence measures.
Cita Chicago (17th ed.)
Ebbert, J.O, i ET AL. A Comparison of Three Smokeless Tobacco Dependence Measures.
Cita MLA (9th ed.)
Ebbert, J.O, i ET AL. A Comparison of Three Smokeless Tobacco Dependence Measures.
Atenció: Aquestes cites poden no estar 100% correctes.