Shaffer, H. J., Donato, A. N., LaBrie, R. A., Kidman, R. C., & LaPlante, D. A. (2005). The epidemiology of college alcohol and gambling policies. BioMed Central.
Dyfyniad Arddull ChicagoShaffer, Howard J., Anthony N. Donato, Richard A. LaBrie, Rachel C. Kidman, and Debi A. LaPlante. The Epidemiology of College Alcohol and Gambling Policies. BioMed Central, 2005.
Dyfyniad MLAShaffer, Howard J., et al. The Epidemiology of College Alcohol and Gambling Policies. BioMed Central, 2005.
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