Private Development Corporation of the Philippines. (1973). The shipbuilding industry ; prepared by the Economic and Corporate Research Office. s. n.
Lua i Stíl Chicago (17ú heag.)Private Development Corporation of the Philippines. The Shipbuilding Industry ; Prepared by the Economic and Corporate Research Office. Makati, Rizal: s. n, 1973.
Lua MLA (9ú heag.)Private Development Corporation of the Philippines. The Shipbuilding Industry ; Prepared by the Economic and Corporate Research Office. s. n, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.