Jocano, F. L. (1975). Questions and challenges Philippine pre-history. University of the Philippines Press.
Čikaški stil citiranja (17. izdanje)Jocano, Felipe Landa. Questions and Challenges Philippine Pre-history. Quezon City: University of the Philippines Press, 1975.
MLA način citiranja (9. izdanje)Jocano, Felipe Landa. Questions and Challenges Philippine Pre-history. University of the Philippines Press, 1975.
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