Cita APA (7th ed.)
KOVAL, J., & PEDERSON, L. (1999). STRESS-COPING AND OTHER PSYCHOSOCIAL RISK FACTORS: A MODEL FOR SMOKING IN GRADE 6 STUDENTS.
Cita Chicago (17th ed.)
KOVAL, J.J, i L.L PEDERSON. STRESS-COPING AND OTHER PSYCHOSOCIAL RISK FACTORS: A MODEL FOR SMOKING IN GRADE 6 STUDENTS. 1999.
Cita MLA (9th ed.)
KOVAL, J.J, i L.L PEDERSON. STRESS-COPING AND OTHER PSYCHOSOCIAL RISK FACTORS: A MODEL FOR SMOKING IN GRADE 6 STUDENTS. 1999.
Atenció: Aquestes cites poden no estar 100% correctes.