United States. Agency for International Development & United States. Bureau of Reclamation. (1966). Agusan river basin, Mindanao Island, Philippines. s.n.].
Citace podle Chicago (17th ed.)United States. Agency for International Development a United States. Bureau of Reclamation. Agusan River Basin, Mindanao Island, Philippines. [S.l: s.n.], 1966.
Citace podle MLA (9th ed.)United States. Agency for International Development a United States. Bureau of Reclamation. Agusan River Basin, Mindanao Island, Philippines. s.n.], 1966.
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