APA Citatie

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.

Chicago Style citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.