Ileto, R. C., Rafael, V. L., Barry, C., Gealogo, F. A., Baytion, M. M., & Aguilar, F. V. J. (2014). Rev. John N. Schumacher SJ, 1927-2014. Philippine Studies: Historical and Ethnographic Viewpoints.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIleto, Reynaldo C., Vicente L. Rafael, Coeli Barry, Francis A. Gealogo, Maricor M. Baytion, और Filomeno V. Jr Aguilar. "Rev. John N. Schumacher SJ, 1927-2014." Philippine Studies: Historical and Ethnographic Viewpoints 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIleto, Reynaldo C., et al. "Rev. John N. Schumacher SJ, 1927-2014." Philippine Studies: Historical and Ethnographic Viewpoints, 2014.
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