Philippines (Commonwealth) Bureau of Science & Laya, V. G. (1941). Leather manufacture and its possibilities in the Philippines. Bureau of Print.
Lua i Stíl Chicago (17ú heag.)Philippines (Commonwealth) Bureau of Science agus Vicente Gregorio Laya. Leather Manufacture and Its Possibilities in the Philippines. Manila: Bureau of Print, 1941.
Lua MLA (9ú heag.)Philippines (Commonwealth) Bureau of Science agus Vicente Gregorio Laya. Leather Manufacture and Its Possibilities in the Philippines. Bureau of Print, 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.