APA (7 ম সংস্করণ) উদ্ধৃতি

Cola, R. M. (1992). Urban environmental protection in the Philippines: A country case study. College of Public Administration, University of the Philippines.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Cola, Raoul M. Urban Environmental Protection in the Philippines: A Country Case Study. Quezon City: College of Public Administration, University of the Philippines, 1992.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Cola, Raoul M. Urban Environmental Protection in the Philippines: A Country Case Study. College of Public Administration, University of the Philippines, 1992.