W. & F.C. Bonham & Sons & Dryden, E. (1987). The Ernst Dryden Archive: Which will be sold at auction by Bonhams on Wednesday, December 2nd, 1987. W. & F.C. Bonham & Sons Ltd.
Chicagoスタイル(17版)引用形式W. & F.C. Bonham & Sons , Ernst Dryden. The Ernst Dryden Archive: Which Will Be Sold at Auction by Bonhams on Wednesday, December 2nd, 1987. London: W. & F.C. Bonham & Sons Ltd, 1987.
MLA(8版)引用形式W. & F.C. Bonham & Sons , Ernst Dryden. The Ernst Dryden Archive: Which Will Be Sold at Auction by Bonhams on Wednesday, December 2nd, 1987. W. & F.C. Bonham & Sons Ltd, 1987.
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