Fox, R. B. (1953). The Pinatubo Negritos: Their useful plants and material culture. Bureau of Science.
Cita Chicago (17th ed.)Fox, Robert B. The Pinatubo Negritos: Their Useful Plants and Material Culture. Manila: Bureau of Science, 1953.
Cita MLA (9th ed.)Fox, Robert B. The Pinatubo Negritos: Their Useful Plants and Material Culture. Bureau of Science, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.