Umali, A. F. (1950). Guide to the classification of fishing gear in the Philippines. U.S. Gov't Printing Office.
Chicago-referens (17:e uppl.)Umali, Agustin F. Guide to the Classification of Fishing Gear in the Philippines. Washington: U.S. Gov't Printing Office, 1950.
MLA-referens (9:e uppl.)Umali, Agustin F. Guide to the Classification of Fishing Gear in the Philippines. U.S. Gov't Printing Office, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.