Cita APA (7th ed.)
LLOYD, C., & ET AL. THE EFFECTIVENESS OF PRIMARY SCHOOL DRUG EDUCATION.
Cita Chicago (17th ed.)
LLOYD, C., i ET AL. THE EFFECTIVENESS OF PRIMARY SCHOOL DRUG EDUCATION.
Cita MLA (9th ed.)
LLOYD, C., i ET AL. THE EFFECTIVENESS OF PRIMARY SCHOOL DRUG EDUCATION.
Atenció: Aquestes cites poden no estar 100% correctes.