Rotor, D. R. A study of the development, practices and contributions of S.V.D. institutions in the Province of Abra [microform]. Photoduplication Service.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRotor, Demetrio R. A Study of the Development, Practices and Contributions of S.V.D. Institutions in the Province of Abra [microform]. Quezon City: Photoduplication Service.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিRotor, Demetrio R. A Study of the Development, Practices and Contributions of S.V.D. Institutions in the Province of Abra [microform]. Photoduplication Service.
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