Development Academy of the Philippines. Human Settlements Program. (1977). Human settlements: Philippine frontier settlements models. Human Settlements Program.
Chicago-viite (17. p.)Development Academy of the Philippines. Human Settlements Program. Human Settlements: Philippine Frontier Settlements Models. Quezon City: Human Settlements Program, 1977.
MLA-viite (9. p.)Development Academy of the Philippines. Human Settlements Program. Human Settlements: Philippine Frontier Settlements Models. Human Settlements Program, 1977.
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