Schumacher, J. N. (1968). The depth of Christianization in early seventeenth-century Philippines. Philippine Studies : a quarterly.
Čikaški stil citiranja (17. izdanje)Schumacher, John N. "The Depth of Christianization in Early Seventeenth-century Philippines." Philippine Studies : A Quarterly 1968.
MLA način citiranja (9. izdanje)Schumacher, John N. "The Depth of Christianization in Early Seventeenth-century Philippines." Philippine Studies : A Quarterly, 1968.
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