Annan, S. O., & Skogan, W. G. (1993). Drug Enforcement in Public Housing: Signs of Success in Denver. United States Department of Justice, National Institute of Justice.
Cita Chicago Style (17a ed.)Annan, Sampson O., y Wesley G. Skogan. Drug Enforcement in Public Housing: Signs of Success in Denver. [Erscheinungsort nicht ermittelbar]: United States Department of Justice, National Institute of Justice, 1993.
Cita MLA (9a ed.)Annan, Sampson O., y Wesley G. Skogan. Drug Enforcement in Public Housing: Signs of Success in Denver. United States Department of Justice, National Institute of Justice, 1993.
Precaución: Estas citas no son 100% exactas.