Trautwein, U., & Lüdtke, O. (2009). Predicting homework motivation and homework effort in six school subjects: The role of person and family characteristics, classroom factors, and school track. Learning and instruction, 19(3), 243-258. https://doi.org/10.1016/j.learninstruc.2008.05.001
Citace podle Chicago (17th ed.)Trautwein, Ulrich, a Oliver Lüdtke. "Predicting Homework Motivation and Homework Effort in Six School Subjects: The Role of Person and Family Characteristics, Classroom Factors, and School Track." Learning and Instruction 19, no. 3 (2009): 243-258. https://doi.org/10.1016/j.learninstruc.2008.05.001.
Citace podle MLA (9th ed.)Trautwein, Ulrich, a Oliver Lüdtke. "Predicting Homework Motivation and Homework Effort in Six School Subjects: The Role of Person and Family Characteristics, Classroom Factors, and School Track." Learning and Instruction, vol. 19, no. 3, 2009, pp. 243-258, https://doi.org/10.1016/j.learninstruc.2008.05.001.