Παραπομπή σε μορφή APA (7η εκδ.)

Worcester, D. C. (1913). The Non-Christian Peoples of The Philippine Islands. National Geographic Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Worcester, Dean C. The Non-Christian Peoples of The Philippine Islands. [Washington, DC: National Geographic Society, 1913.

Παραπομπή σε μορφή MLA (9th εκδ.)

Worcester, Dean C. The Non-Christian Peoples of The Philippine Islands. National Geographic Society, 1913.