APA (7 ম সংস্করণ) উদ্ধৃতি

Cifra, E. M. O. (1977). Some ecological problems involved in the implementation of the barrio charter in Central Luzon [microform]. Photoduplication Service. University of the Philippines Library.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Cifra, Evelyn M. Omallao. Some Ecological Problems Involved in the Implementation of the Barrio Charter in Central Luzon [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Cifra, Evelyn M. Omallao. Some Ecological Problems Involved in the Implementation of the Barrio Charter in Central Luzon [microform]. Photoduplication Service. University of the Philippines Library, 1977.

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