Roebken, H. (2012). The Influence of Goal Orientation on Student Satisfaction, Academic Engagement and Achievement. Universidad de Almería.
Čikaški stil citiranja (17. izdanje)Roebken, Heinke. The Influence of Goal Orientation on Student Satisfaction, Academic Engagement and Achievement. Universidad de Almería, 2012.
MLA način citiranja (8. izdanje)Roebken, Heinke. The Influence of Goal Orientation on Student Satisfaction, Academic Engagement and Achievement. Universidad de Almería, 2012.
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