Barbour, R. H. Four Afoot: Being the Adventures of the Big Four on the Highway.
Chicagoスタイル(17版)引用形式Barbour, Ralph Henry. Four Afoot: Being the Adventures of the Big Four on the Highway.
MLA(9版)引用形式Barbour, Ralph Henry. Four Afoot: Being the Adventures of the Big Four on the Highway.
警告: この引用は必ずしも正確ではありません.