Dyfyniad APA

Usán, P., & Salavera, C. (2017). Influence of motivation towards sports in alcohol, tobacco and cannabis consumption in adolescent students.

Dyfyniad Arddull Chicago

Usán, Pablo, y Carlos Salavera. Influence of Motivation Towards Sports in Alcohol, Tobacco and Cannabis Consumption in Adolescent Students. 2017.

Dyfyniad MLA

Usán, Pablo, y Carlos Salavera. Influence of Motivation Towards Sports in Alcohol, Tobacco and Cannabis Consumption in Adolescent Students. 2017.

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