Bertrand, G. E. Tactics and Duties for Trench Fighting.
Chicagoスタイル(17版)引用形式Bertrand, Georges Etienne. Tactics and Duties for Trench Fighting.
MLA(9版)引用形式Bertrand, Georges Etienne. Tactics and Duties for Trench Fighting.
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APA(7版)引用形式