Jagor, F., & Craig, A. (1925). Travels in the Philippine Islands: The out-of-print 1875 English translation corrected from the original German text. National Book Co.
Chicago-referens (17:e uppl.)Jagor, Fedor, och Austin Craig. Travels in the Philippine Islands: The Out-of-print 1875 English Translation Corrected from the Original German Text. Manila: National Book Co, 1925.
MLA-referens (9:e uppl.)Jagor, Fedor, och Austin Craig. Travels in the Philippine Islands: The Out-of-print 1875 English Translation Corrected from the Original German Text. National Book Co, 1925.
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