Lannoy, M. J. (2003). The Philippine islands: Of their condition in ancient times and at present. National Historical Institute.
Chicago-viite (17. p.)Lannoy, M. J. The Philippine Islands: Of Their Condition in Ancient Times and at Present. Manila, Philippines: National Historical Institute, 2003.
MLA-viite (9. p.)Lannoy, M. J. The Philippine Islands: Of Their Condition in Ancient Times and at Present. National Historical Institute, 2003.
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