(1977). Akallabêth. Permanent Press :[ National Organization for Tolkien].
Chicagoスタイル(17版)引用形式Akallabêth. Scranton, Pa.: Permanent Press :[ National Organization for Tolkien], 1977.
MLA(8版)引用形式Akallabêth. Permanent Press :[ National Organization for Tolkien], 1977.
警告: この引用は必ずしも正確ではありません.