Eugenio, D. L. (1994). Philippine folk literature: The riddles. University of the Philippines Press.
Chicagoスタイル(17版)引用形式Eugenio, Damiana L. Philippine Folk Literature: The Riddles. Quezon City: University of the Philippines Press, 1994.
MLA(9版)引用形式Eugenio, Damiana L. Philippine Folk Literature: The Riddles. University of the Philippines Press, 1994.
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