APA

(2003). Monitoring the future , national survey results on drug use, 1975 - 2002, Vol. 2, College students & adults ages 19 - 40, 2002. Health and Human Services Deptment - - Public Health Service: .

Chicago

2003. Monitoring the future , national survey results on drug use, 1975 - 2002, Vol. 2, College students & adults ages 19 - 40, 2002. Health and Human Services Deptment - - Public Health Service: .

Harvard

(2003). Monitoring the future , national survey results on drug use, 1975 - 2002, Vol. 2, College students & adults ages 19 - 40, 2002. Health and Human Services Deptment - - Public Health Service: .

MLA

Monitoring the future , national survey results on drug use, 1975 - 2002, Vol. 2, College students & adults ages 19 - 40, 2002. Health and Human Services Deptment - - Public Health Service: . 2003.