Umali, A. F. (1950). Guide to the classification of fishing gear in the Philippines. United States Government Printing Office.
Citazione stile Chigago Style (17a edizione)Umali, Agustin F. Guide to the Classification of Fishing Gear in the Philippines. Washington, D.C: United States Government Printing Office, 1950.
Citatione MLA (9a ed.)Umali, Agustin F. Guide to the Classification of Fishing Gear in the Philippines. United States Government Printing Office, 1950.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.