Snodgrass, J. A., Caspar, R. A., & Grau, E. A. (2002). 1999-2001 National Household Survey on Drug Abuse: Changes in Race and Ethnicity Questions. RTI [producer], Substance Abuse and Mental Health Services Administration [distributor].
Cita Chicago Style (17a ed.)Snodgrass, Jeanne A., Rachel A. Caspar, y Eric A. Grau. 1999-2001 National Household Survey on Drug Abuse: Changes in Race and Ethnicity Questions. [Erscheinungsort nicht ermittelbar]: RTI [producer], Substance Abuse and Mental Health Services Administration [distributor], 2002.
Cita MLA (9a ed.)Snodgrass, Jeanne A., et al. 1999-2001 National Household Survey on Drug Abuse: Changes in Race and Ethnicity Questions. RTI [producer], Substance Abuse and Mental Health Services Administration [distributor], 2002.