Marsh, H. W., Abduljabbar, A. S., Parker, P. D., Morin, A. J. S., Abdelfattah, F., Nagengast, B., . . . Abu-Hilal, M. M. (2015). The Internal/External Frame of Reference Model of Self-Concept and Achievement Relations: Age-Cohort and Cross-Cultural Differences. American educational research journal, 52(1), 168-202. https://doi.org/10.3102/0002831214549453
Chicago-Zitierstil (17. Ausg.)Marsh, Herbert W., Adel Salah Abduljabbar, Philip D. Parker, Alexandre J. S. Morin, Faisal Abdelfattah, Benjamin Nagengast, Jens Möller, und Maher M. Abu-Hilal. "The Internal/External Frame of Reference Model of Self-Concept and Achievement Relations: Age-Cohort and Cross-Cultural Differences." American Educational Research Journal 52, no. 1 (2015): 168-202. https://doi.org/10.3102/0002831214549453.
MLA-Zitierstil (9. Ausg.)Marsh, Herbert W., et al. "The Internal/External Frame of Reference Model of Self-Concept and Achievement Relations: Age-Cohort and Cross-Cultural Differences." American Educational Research Journal, vol. 52, no. 1, 2015, pp. 168-202, https://doi.org/10.3102/0002831214549453.