Schmalenbach, C., & Schmalenbach, C. (2018). Learning Cooperatively under Challenging Circumstances: Cooperation among Students in High-Risk Contexts in El Salvador (1st ed. 2018.). Springer Fachmedien Wiesbaden : Imprint: Springer VS. https://doi.org/10.1007/978-3-658-21333-6
Παραπομπή σε μορφή Chicago (17η εκδ.)Schmalenbach, Christine, και Christine Schmalenbach. Learning Cooperatively Under Challenging Circumstances: Cooperation Among Students in High-Risk Contexts in El Salvador. 1st ed. 2018. Wiesbaden: Springer Fachmedien Wiesbaden : Imprint: Springer VS, 2018. https://doi.org/10.1007/978-3-658-21333-6.
Παραπομπή σε μορφή MLA (8th εκδ.)Schmalenbach, Christine, και Christine Schmalenbach. Learning Cooperatively Under Challenging Circumstances: Cooperation Among Students in High-Risk Contexts in El Salvador. 1st ed. 2018. Springer Fachmedien Wiesbaden : Imprint: Springer VS, 2018. https://doi.org/10.1007/978-3-658-21333-6.
