APA (7 ম সংস্করণ) উদ্ধৃতি

Sajise, P. E. (1992). Saving the present for the future: The state of the environment. U.P. Center for Integrative and Development Studies in cooperation with University of the Philippines Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Sajise, Percy E. Saving the Present for the Future: The State of the Environment. Quezon City: U.P. Center for Integrative and Development Studies in cooperation with University of the Philippines Press, 1992.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Sajise, Percy E. Saving the Present for the Future: The State of the Environment. U.P. Center for Integrative and Development Studies in cooperation with University of the Philippines Press, 1992.