Chappell, D., & Wilson, P. R. (1971). The Effects of Police Withdrawal from Traffic Control: A Comparative Study.
Cita Chicago Style (17a ed.)Chappell, D., y P. R. Wilson. The Effects of Police Withdrawal from Traffic Control: A Comparative Study. 1971.
Cita MLA (9a ed.)Chappell, D., y P. R. Wilson. The Effects of Police Withdrawal from Traffic Control: A Comparative Study. 1971.
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