Citazione Stile APA (7a Edizione)

Private Development Corporation of the Philippines. (1973). The shipbuilding industry. s.n.].

Citazione stile Chigago Style (17a edizione)

Private Development Corporation of the Philippines. The Shipbuilding Industry. [Makati: s.n.], 1973.

Citatione MLA (9a ed.)

Private Development Corporation of the Philippines. The Shipbuilding Industry. s.n.], 1973.