Estados Unidos. Center for Substance Abuse Prevention & Kumpfer, K. L. (1993). Measurements in prevention: A manual on selecting and using instruments to evaluate prevention programs. Center for Substance Abuse Prevention.
Cita Chicago Style (17a ed.)Estados Unidos. Center for Substance Abuse Prevention y Karol L. Kumpfer. Measurements in Prevention: A Manual on Selecting and Using Instruments to Evaluate Prevention Programs. Rockville: Center for Substance Abuse Prevention, 1993.
Cita MLA (9a ed.)Estados Unidos. Center for Substance Abuse Prevention y Karol L. Kumpfer. Measurements in Prevention: A Manual on Selecting and Using Instruments to Evaluate Prevention Programs. Center for Substance Abuse Prevention, 1993.
Precaución: Estas citas no son 100% exactas.