Private Development Corporation of the Philippines. (1973). The ocean shipping industry: Prepared by the Economic and Corporate Research Office. s.n.].
Citace podle Chicago (17th ed.)Private Development Corporation of the Philippines. The Ocean Shipping Industry: Prepared by the Economic and Corporate Research Office. [Makati, Rizal: s.n.], 1973.
Citace podle MLA (9th ed.)Private Development Corporation of the Philippines. The Ocean Shipping Industry: Prepared by the Economic and Corporate Research Office. s.n.], 1973.
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