United States. Agency for International Development & United States. Bureau of Reclamation. (1966). Agusan river basin, Mindanao Island, Philippines. s.n.].
Cita Chicago (17th ed.)United States. Agency for International Development i United States. Bureau of Reclamation. Agusan River Basin, Mindanao Island, Philippines. [S.l: s.n.], 1966.
Cita MLA (9th ed.)United States. Agency for International Development i United States. Bureau of Reclamation. Agusan River Basin, Mindanao Island, Philippines. s.n.], 1966.
Atenció: Aquestes cites poden no estar 100% correctes.