APA-viite

Philippines (Commonwealth) Army. (1939). Map and aerial photography reading (1939 ed.). Manila: Bureau of Print.

Chicago-tyylinen lähdeviittaus

Philippines (Commonwealth) Army. Map and Aerial Photography Reading. 1939 ed. Manila: Bureau of Print, 1939.

MLA-viite

Philippines (Commonwealth) Army. Map and Aerial Photography Reading. 1939 ed. Manila: Bureau of Print, 1939.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.