(1944). Davao, Philippine Islands (2nd ed.). Army Map Service.
Chicagoスタイル(17版)引用形式Davao, Philippine Islands. 2nd ed. Washington, D.C: Army Map Service, 1944.
MLA(9版)引用形式Davao, Philippine Islands. 2nd ed. Army Map Service, 1944.
警告: この引用は必ずしも正確ではありません.