Kalifornien, Department of the California Highway Patrol, & Kalifornien Department of the California Highway Patrol. (1974). California crimes and accidents associated with hitchhiking. California Highway Patrol, Operational Analysis Section.
Cita Chicago Style (17a ed.)Kalifornien, Department of the California Highway Patrol, y Kalifornien Department of the California Highway Patrol. California Crimes and Accidents Associated with Hitchhiking. Sacramento: California Highway Patrol, Operational Analysis Section, 1974.
Cita MLA (8a ed.)Kalifornien, Department of the California Highway Patrol, y Kalifornien Department of the California Highway Patrol. California Crimes and Accidents Associated with Hitchhiking. California Highway Patrol, Operational Analysis Section, 1974.