Παραπομπή APA

Hummer, J. F., LaBrie, J. W., Lac, A., & Lee, C. M. Direct and indirect effects of injunctive norms on marijuana use: The role of reference groups.

Παραπομπή Chicago Style

Hummer, Justin F., Joseph W. LaBrie, Andrew Lac, και Christine M. Lee. Direct and Indirect Effects of Injunctive Norms On Marijuana Use: The Role of Reference Groups.

Παραπομπή MLA

Hummer, Justin F., Joseph W. LaBrie, Andrew Lac, και Christine M. Lee. Direct and Indirect Effects of Injunctive Norms On Marijuana Use: The Role of Reference Groups.

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