Philippines (Commonwealth) Bureau of Science & Laya, V. G. (1941). Leather manufacture and its possibilities in the Philippines. Bureau of Print.
Citazione stile Chigago Style (17a edizione)Philippines (Commonwealth) Bureau of Science e Vicente Gregorio Laya. Leather Manufacture and Its Possibilities in the Philippines. Manila: Bureau of Print, 1941.
Citatione MLA (9a ed.)Philippines (Commonwealth) Bureau of Science e Vicente Gregorio Laya. Leather Manufacture and Its Possibilities in the Philippines. Bureau of Print, 1941.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.