Private Development Corporation of the Philippines. (1973). The ocean shipping industry: Prepared by the Economic and Corporate Research Office. s.n.].
Chicago-Zitierstil (17. Ausg.)Private Development Corporation of the Philippines. The Ocean Shipping Industry: Prepared by the Economic and Corporate Research Office. [Makati, Rizal: s.n.], 1973.
MLA-Zitierstil (9. Ausg.)Private Development Corporation of the Philippines. The Ocean Shipping Industry: Prepared by the Economic and Corporate Research Office. s.n.], 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.