Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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