(2000). Richard Tuttle: Perceived obstacles. König.
Chicagoスタイル(17版)引用形式Richard Tuttle: Perceived Obstacles. Köln: König, 2000.
MLA(8版)引用形式Richard Tuttle: Perceived Obstacles. König, 2000.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式