Cita APA (7th ed.)
ETTER, J., & ET AL. VALIDITY OF THE FAGERSTROM TEST FOR NICOTINE DEPENDENCE AND OF THE HEAVINESS OF SMOKING INDEX AMONG RELATIVELY LIGHT SMOKERS.
Cita Chicago (17th ed.)
ETTER, J.F, i ET AL. VALIDITY OF THE FAGERSTROM TEST FOR NICOTINE DEPENDENCE AND OF THE HEAVINESS OF SMOKING INDEX AMONG RELATIVELY LIGHT SMOKERS.
Cita MLA (9th ed.)
ETTER, J.F, i ET AL. VALIDITY OF THE FAGERSTROM TEST FOR NICOTINE DEPENDENCE AND OF THE HEAVINESS OF SMOKING INDEX AMONG RELATIVELY LIGHT SMOKERS.
Atenció: Aquestes cites poden no estar 100% correctes.