Le Guin, U. K. (1979). The Earthsea trilogy. Penguin Books.
Chicagoスタイル(17版)引用形式Le Guin, Ursula K. The Earthsea Trilogy. Harmondsworth, England ; Ringwood, Vic.: Penguin Books, 1979.
MLA(8版)引用形式Le Guin, Ursula K. The Earthsea Trilogy. Penguin Books, 1979.
警告: この引用は必ずしも正確ではありません.