Cita APA (7th ed.)
WALLER, J., & CASEY, R. (1991). TEACHING ABOUT SUBSTANCE ABUSE IN MEDICAL SCHOOL.
Cita Chicago (17th ed.)
WALLER, J.A, i R. CASEY. TEACHING ABOUT SUBSTANCE ABUSE IN MEDICAL SCHOOL. 1991.
Cita MLA (9th ed.)
WALLER, J.A, i R. CASEY. TEACHING ABOUT SUBSTANCE ABUSE IN MEDICAL SCHOOL. 1991.
Atenció: Aquestes cites poden no estar 100% correctes.