Villa, S. O. (1957). Endemic methods of fish capture of Southern Negros Oriental. College of Fisheries, University of the Philippines.
Chicago-referens (17:e uppl.)Villa, Simeon O. Endemic Methods of Fish Capture of Southern Negros Oriental. Miagao, Iloilo: College of Fisheries, University of the Philippines, 1957.
MLA-referens (9:e uppl.)Villa, Simeon O. Endemic Methods of Fish Capture of Southern Negros Oriental. College of Fisheries, University of the Philippines, 1957.
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