LEDGARD HENRY. (1982). ELEMENTRY BASIC BY SOLVING THE MYSTERIES OF SHERLOCK HOMES. COLLINS.
Chicagoスタイル(17版)引用形式LEDGARD HENRY. ELEMENTRY BASIC BY SOLVING THE MYSTERIES OF SHERLOCK HOMES. GREAT BRITAIN: COLLINS, 1982.
MLA(9版)引用形式LEDGARD HENRY. ELEMENTRY BASIC BY SOLVING THE MYSTERIES OF SHERLOCK HOMES. COLLINS, 1982.
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