Sapitula, M. V. J. (2014). Marian piety and modernity: The Perpetual Help Devotion as popular religion in the Philippines. Philippine Studies: Historical and Ethnographic Viewpoints.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sapitula, Manuel Victor J. "Marian Piety and Modernity: The Perpetual Help Devotion as Popular Religion in the Philippines." Philippine Studies: Historical and Ethnographic Viewpoints 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sapitula, Manuel Victor J. "Marian Piety and Modernity: The Perpetual Help Devotion as Popular Religion in the Philippines." Philippine Studies: Historical and Ethnographic Viewpoints, 2014.
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