Philippines (Commonwealth) Bureau of Science & Laya, V. G. (1941). Leather manufacture and its possibilities in the Philippines. Bureau of Print.
Dyfyniad Arddull ChicagoPhilippines (Commonwealth) Bureau of Science and Vicente Gregorio Laya. Leather Manufacture and Its Possibilities in the Philippines. Manila: Bureau of Print, 1941.
Dyfyniad MLAPhilippines (Commonwealth) Bureau of Science and Vicente Gregorio Laya. Leather Manufacture and Its Possibilities in the Philippines. Bureau of Print, 1941.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.