APA-čujuhus (7. p.)
Sumka, S., Porter, M. C., Piacitelli, J., & Williams, T. (2015). Working side by side: Creating alternative breaks as catalysts for global learning, student leadership, and social change (First edition.). Stylus.
Chicago-čujuhus (17. p.)
Sumka, Shoshanna, Melody Christine Porter, Jill Piacitelli, juo Tanya Williams. Working Side by Side: Creating Alternative Breaks as Catalysts for Global Learning, Student Leadership, and Social Change. First edition. Sterling, Virginia: Stylus, 2015.
MLA-čujuhus (9. p.)
Sumka, Shoshanna, et al. Working Side by Side: Creating Alternative Breaks as Catalysts for Global Learning, Student Leadership, and Social Change. First edition. Stylus, 2015.
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