Society, P. I. (1901). Taking the Southern Islands: Facts about the Filipinos according to Original Outline, First Series X. Boston.
Παραπομπή σε μορφή Chicago (17η εκδ.)Society, Philippine Information. Taking the Southern Islands: Facts About the Filipinos According to Original Outline, First Series X. Boston, 1901.
Παραπομπή σε μορφή MLA (8th εκδ.)Society, Philippine Information. Taking the Southern Islands: Facts About the Filipinos According to Original Outline, First Series X. Boston, 1901.
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