APA (7 ম সংস্করণ) উদ্ধৃতি

Villablanca, R. E. (1976). Suggested test items for elementary school science IV developed by the University of the Philippines Science Education Center.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Villablanca, Rolando Enerez. Suggested Test Items for Elementary School Science IV Developed by the University of the Philippines Science Education Center. 1976.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Villablanca, Rolando Enerez. Suggested Test Items for Elementary School Science IV Developed by the University of the Philippines Science Education Center. 1976.