Sudman, S. (2001). Examining substance abuse data collection methodologies. Journal of drug issues, 31(3), 695-616.
Cita Chicago Style (17a ed.)Sudman, Seymour. "Examining Substance Abuse Data Collection Methodologies." Journal of Drug Issues 31, no. 3 (2001): 695-616.
Cita MLA (9a ed.)Sudman, Seymour. "Examining Substance Abuse Data Collection Methodologies." Journal of Drug Issues, vol. 31, no. 3, 2001, pp. 695-616.
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