Seymour, R., & Smith, D. E. (1987). Drugfree: A unique, positive approach to staying off alcohol and other drugs. Facts on File Publications.
Citace podle Chicago (17th ed.)Seymour, Richard, a David E. Smith. Drugfree: A Unique, Positive Approach to Staying off Alcohol and Other Drugs. New York, N.Y: Facts on File Publications, 1987.
Citace podle MLA (9th ed.)Seymour, Richard, a David E. Smith. Drugfree: A Unique, Positive Approach to Staying off Alcohol and Other Drugs. Facts on File Publications, 1987.
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