National Institute on Drug Abuse. Division of Epidemiology and Prevention Research, Harrison, L. D., & Hughes, A. (1997). Validity of self-reported drug use: Improving the accuracy of survey estimates. National Institute on Drug Abuse, Division of Epidemiology and Prevention Research.
Cita Chicago Style (17a ed.)National Institute on Drug Abuse. Division of Epidemiology and Prevention Research, Lana D. Harrison, y Arthur Hughes. Validity of Self-reported Drug Use: Improving the Accuracy of Survey Estimates. Rockville (Maryland): National Institute on Drug Abuse, Division of Epidemiology and Prevention Research, 1997.
Cita MLA (9a ed.)National Institute on Drug Abuse. Division of Epidemiology and Prevention Research, et al. Validity of Self-reported Drug Use: Improving the Accuracy of Survey Estimates. National Institute on Drug Abuse, Division of Epidemiology and Prevention Research, 1997.
