USA Department of Education. (1990). Growing up drug free: A parent's guide to prevention.
Cita Chicago Style (17a ed.)USA Department of Education. Growing Up Drug Free: A Parent's Guide to Prevention. Washington, DC, 1990.
Cita MLA (9a ed.)USA Department of Education. Growing Up Drug Free: A Parent's Guide to Prevention. 1990.
Precaución: Estas citas no son 100% exactas.