(1944). Davao, Philippine Islands (2nd ed.). Army Map Service.
Cita Chicago (17th ed.)Davao, Philippine Islands. 2nd ed. Washington, D.C: Army Map Service, 1944.
Cita MLA (9th ed.)Davao, Philippine Islands. 2nd ed. Army Map Service, 1944.
Atenció: Aquestes cites poden no estar 100% correctes.