Johnston, L. D., & Bachman, J. G. (1981). Highlights from Student Drug Use in America 1975-1980. National Institute on Drug Abuse.
Cita Chicago Style (17a ed.)Johnston, Lloyd D., y Jerald G. Bachman. Highlights from Student Drug Use in America 1975-1980. [Erscheinungsort nicht ermittelbar]: National Institute on Drug Abuse, 1981.
Cita MLA (9a ed.)Johnston, Lloyd D., y Jerald G. Bachman. Highlights from Student Drug Use in America 1975-1980. National Institute on Drug Abuse, 1981.
Precaución: Estas citas no son 100% exactas.