Raagas, L. S. B. (1951). Constraction of an otter trawl net. College of Fisheries, University of the Philippines.
Citazione stile Chigago Style (17a edizione)Raagas, Lucio Santos B. Constraction of an Otter Trawl Net. Miagao, Iloilo: College of Fisheries, University of the Philippines, 1951.
Citatione MLA (9a ed.)Raagas, Lucio Santos B. Constraction of an Otter Trawl Net. College of Fisheries, University of the Philippines, 1951.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.