Casiano, L. M. (1974). Educational preparation, accomplishments, and problems of the adult and community education teacher-coordinators in the Division of Isabela, 1966-1969 [microform]. Photoduplication Service, University of the Philippines Library.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCasiano, Leopoldo M. Educational Preparation, Accomplishments, and Problems of the Adult and Community Education Teacher-coordinators in the Division of Isabela, 1966-1969 [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিCasiano, Leopoldo M. Educational Preparation, Accomplishments, and Problems of the Adult and Community Education Teacher-coordinators in the Division of Isabela, 1966-1969 [microform]. Photoduplication Service, University of the Philippines Library, 1974.