Roebken, H. (2012). The Influence of Goal Orientation on Student Satisfaction, Academic Engagement and Achievement. Universidad de Almería.
Lua i Stíl Chicago (17ú heag.)Roebken, Heinke. The Influence of Goal Orientation on Student Satisfaction, Academic Engagement and Achievement. Universidad de Almería, 2012.
Lua MLA (8ú heag.)Roebken, Heinke. The Influence of Goal Orientation on Student Satisfaction, Academic Engagement and Achievement. Universidad de Almería, 2012.
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