APA (7 ম সংস্করণ) উদ্ধৃতি

University of the Philippines, Q. C. S. E. C. E. S. P. T., & Cortes, L. P. (1983). Earth science: The Philippines in focus. The Center.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

University of the Philippines, Quezon City. Science Education Center. Earth Science Project Team, এবং Leticia P. Cortes. Earth Science: The Philippines in Focus. Quezon City: The Center, 1983.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

University of the Philippines, Quezon City. Science Education Center. Earth Science Project Team, এবং Leticia P. Cortes. Earth Science: The Philippines in Focus. The Center, 1983.