Dunrea, O. (2008). Merry Christmas, Ollie! Houghton Mifflin.
芝加哥风格引文Dunrea, Olivier. Merry Christmas, Ollie! Boston: Houghton Mifflin, 2008.
MLA引文Dunrea, Olivier. Merry Christmas, Ollie! Houghton Mifflin, 2008.
警告：这些引文格式不一定是100％准确.
APA引文