Development Academy of the Philippines Human Settlements Program. (1977). Human settlements: Philippine frontier settlements models. Human Settlements Program.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Development Academy of the Philippines Human Settlements Program. Human Settlements: Philippine Frontier Settlements Models. Quezon City: Human Settlements Program, 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Development Academy of the Philippines Human Settlements Program. Human Settlements: Philippine Frontier Settlements Models. Human Settlements Program, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.