Severino, R. C. (2011). Where in the world is the Philippines?: Debating its national territory. Carlos P. Romulo Foundation.
Citace podle Chicago (17th ed.)Severino, Rodolfo C. Where in the World Is the Philippines?: Debating Its National Territory. Makati City, Philippines: Carlos P. Romulo Foundation, 2011.
Citace podle MLA (9th ed.)Severino, Rodolfo C. Where in the World Is the Philippines?: Debating Its National Territory. Carlos P. Romulo Foundation, 2011.
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