Grant, A. J., Grant, F. B., & Reynolds, H. (1973). The Isneg of the northern Philippines: A study of trends of change and development. Anthropology Museum, Silliman University.
Chicago-referens (17:e uppl.)Grant, Alex J., Fern Babcock Grant, och Hubert Reynolds. The Isneg of the Northern Philippines: A Study of Trends of Change and Development. Dumaguete City, Philippines: Anthropology Museum, Silliman University, 1973.
MLA-referens (9:e uppl.)Grant, Alex J., et al. The Isneg of the Northern Philippines: A Study of Trends of Change and Development. Anthropology Museum, Silliman University, 1973.
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