O'Shea, J. (2013). Gap year: How delaying college changes people in ways the world needs. John Hopkins University Press.
芝加哥风格引文O'Shea, Joseph. Gap Year: How Delaying College Changes People in Ways the World Needs. Baltimore: John Hopkins University Press, 2013.
MLA引文O'Shea, Joseph. Gap Year: How Delaying College Changes People in Ways the World Needs. John Hopkins University Press, 2013.
警告：这些引文格式不一定是100％准确.