Vogel, J., & Vogel, R. (2001). Conta and Boehme Porcelain: Identification and Value Guide.
Chicagoスタイル(17版)引用形式Vogel, Janice, , Richard Vogel. Conta and Boehme Porcelain: Identification and Value Guide. Ocala, 2001.
MLA(8版)引用形式Vogel, Janice, , Richard Vogel. Conta and Boehme Porcelain: Identification and Value Guide. 2001.
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