O'Shea, J. (2013). Gap year: How delaying college changes people in ways the world needs. John Hopkins University Press.
Citace podle Chicago (17th ed.)O'Shea, Joseph. Gap Year: How Delaying College Changes People in Ways the World Needs. Baltimore: John Hopkins University Press, 2013.
Citace podle MLA (9th ed.)O'Shea, Joseph. Gap Year: How Delaying College Changes People in Ways the World Needs. John Hopkins University Press, 2013.
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