Postma, A. (1972). Treasure of a minority: The ambahan : a poetic expression of the Mangyans of Southern Mindanao, Philippines (Revised edition.). Arnoldus Press.
Chicago-viite (17. p.)Postma, Antoon. Treasure of a Minority: The Ambahan : A Poetic Expression of the Mangyans of Southern Mindanao, Philippines. Revised edition. Manila: Arnoldus Press, 1972.
MLA-viite (9. p.)Postma, Antoon. Treasure of a Minority: The Ambahan : A Poetic Expression of the Mangyans of Southern Mindanao, Philippines. Revised edition. Arnoldus Press, 1972.
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