McCampbell, M. S. (1990). National Survey of Field Training Programs for Police Officers, 1985-1986. [Verlag nicht ermittelbar]. https://doi.org/10.3886/ICPSR09350.v1
Cita Chicago Style (17a ed.)McCampbell, Michael S. National Survey of Field Training Programs for Police Officers, 1985-1986. [Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], 1990. https://doi.org/10.3886/ICPSR09350.v1.
Cita MLA (9a ed.)McCampbell, Michael S. National Survey of Field Training Programs for Police Officers, 1985-1986. [Verlag nicht ermittelbar], 1990. https://doi.org/10.3886/ICPSR09350.v1.
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