Charnwood, G. R. B. (1976). Theodore Roosevelt [microform]. Photoduplication Service, University of the Philippines Library.
Chicagoスタイル(17版)引用形式Charnwood, Godfrey Rathbone Benson. Theodore Roosevelt [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
MLA(9版)引用形式Charnwood, Godfrey Rathbone Benson. Theodore Roosevelt [microform]. Photoduplication Service, University of the Philippines Library, 1976.
警告: この引用は必ずしも正確ではありません.