APA (7 ম সংস্করণ) উদ্ধৃতি

Castillo, F. C. (1976). A study of the isolates in grades four and five in the Dr. Alejandro Albert Elementary School, 1970-1971 [microform]. Photoduplication Service. University of the Philippines Library.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Castillo, Federico C. A Study of the Isolates in Grades Four and Five in the Dr. Alejandro Albert Elementary School, 1970-1971 [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Castillo, Federico C. A Study of the Isolates in Grades Four and Five in the Dr. Alejandro Albert Elementary School, 1970-1971 [microform]. Photoduplication Service. University of the Philippines Library, 1976.