Sitwell, E., & Searle, H. (2013). Sitwell, Edith - Searle, Humphrey, Collection. DigitalGeorgetown.
Chicagoスタイル(17版)引用形式Sitwell, Edith, , Humphrey Searle. Sitwell, Edith - Searle, Humphrey, Collection. Washington, D.C.: DigitalGeorgetown, 2013.
MLA(8版)引用形式Sitwell, Edith, , Humphrey Searle. Sitwell, Edith - Searle, Humphrey, Collection. DigitalGeorgetown, 2013.
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