Griffin, P. B., & Griffin, A. E. (1985). The Agta of northeastern Luzon: Recent studies. University of San Carlos.
Cita Chicago (17th ed.)Griffin, P. Bion, i Agnes Estioko- Griffin. The Agta of Northeastern Luzon: Recent Studies. Cebu City: University of San Carlos, 1985.
Cita MLA (9th ed.)Griffin, P. Bion, i Agnes Estioko- Griffin. The Agta of Northeastern Luzon: Recent Studies. University of San Carlos, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.