Urdang international. (2020). Urdang international Dance Competition 2020. Theurdang international.
Chicagoスタイル(17版)引用形式Urdang international. Urdang International Dance Competition 2020. London: Theurdang international, 2020.
MLA(9版)引用形式Urdang international. Urdang International Dance Competition 2020. Theurdang international, 2020.
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