Mieczkowski, T., & Newel, R. (1993). Comparing hair and urine assays for cocaine and marijuana. Federal probation, 47(2), 59-67.
Cita Chicago Style (17a ed.)Mieczkowski, Tom, y Richard Newel. "Comparing Hair and Urine Assays for Cocaine and Marijuana." Federal Probation 47, no. 2 (1993): 59-67.
Cita MLA (8a ed.)Mieczkowski, Tom, y Richard Newel. "Comparing Hair and Urine Assays for Cocaine and Marijuana." Federal Probation, vol. 47, no. 2, 1993, pp. 59-67.
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