Hill, I. (2004). Ursula, under: Novel (First edition.). Penguin books.
Chicagoスタイル(17版)引用形式Hill, Ingrid. Ursula, Under: Novel. First edition. New York: Penguin books, 2004.
MLA(9版)引用形式Hill, Ingrid. Ursula, Under: Novel. First edition. Penguin books, 2004.
警告: この引用は必ずしも正確ではありません.