Physical Planning Strategy for the Philippines. (1973). Mineral resources. The Office.
Lua i Stíl Chicago (17ú heag.)Physical Planning Strategy for the Philippines. Mineral Resources. Metro Manila: The Office, 1973.
Lua MLA (9ú heag.)Physical Planning Strategy for the Philippines. Mineral Resources. The Office, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.