Grapendaal, M., Leuw, E., & Nelen, J. M. (1995). A world of opportunities: Life-style and economic behavior of heroin addicts in Amsterdam. State University of New York Press.
Citace podle Chicago (17th ed.)Grapendaal, M., Ed Leuw, a J. M. Nelen. A World of Opportunities: Life-style and Economic Behavior of Heroin Addicts in Amsterdam. Albany: State University of New York Press, 1995.
Citace podle MLA (9th ed.)Grapendaal, M., et al. A World of Opportunities: Life-style and Economic Behavior of Heroin Addicts in Amsterdam. State University of New York Press, 1995.
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