O'Hare, . M. (2007). Why don't Penguin's feet freeze? and 114 other questions. Profile books.
シカゴスタイル引用形O'Hare, Mick. Why Don't Penguin's Feet Freeze? and 114 Other Questions. London: Profile books, 2007.
MLA引用形式O'Hare, Mick. Why Don't Penguin's Feet Freeze? and 114 Other Questions. Profile books, 2007.
警告: この引用は必ずしも正確ではありません.