Umali, A. F. (1950). Guide to the classification of fishing gear in the Philippines. United States Government Printing Office.
Style de citation Chicago (17e éd.)Umali, Agustin F. Guide to the Classification of Fishing Gear in the Philippines. Washington, D.C: United States Government Printing Office, 1950.
Style de citation MLA (9e éd.)Umali, Agustin F. Guide to the Classification of Fishing Gear in the Philippines. United States Government Printing Office, 1950.
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