Dyfyniad APA

Robert de Roos. (1966). The Philippines Freedom's Pacific Frontier. Washington, D.C: National Geographic Society.

Dyfyniad Arddull Chicago

Robert de Roos. The Philippines Freedom's Pacific Frontier. Washington, D.C: National Geographic Society, 1966.

Dyfyniad MLA

Robert de Roos. The Philippines Freedom's Pacific Frontier. Washington, D.C: National Geographic Society, 1966.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.