Clemens, S. (1839). Sub-Series 32: Clemens, Sherrard, 1839-1843. Saint Louis University Libraries Digitization Center.
Chicagoスタイル(17版)引用形式Clemens, Sherrard. Sub-Series 32: Clemens, Sherrard, 1839-1843. Saint Louis University Libraries Digitization Center, 1839.
MLA(8版)引用形式Clemens, Sherrard. Sub-Series 32: Clemens, Sherrard, 1839-1843. Saint Louis University Libraries Digitization Center, 1839.
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