Masters, E. L. (1977). Gettysburg, Manila, Acoma [microform]. Photoduplication Service. University of the Philippines Library.
Chicagoスタイル(17版)引用形式Masters, Edgar Lee. Gettysburg, Manila, Acoma [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA(9版)引用形式Masters, Edgar Lee. Gettysburg, Manila, Acoma [microform]. Photoduplication Service. University of the Philippines Library, 1977.
警告: この引用は必ずしも正確ではありません.