APA (7 ম সংস্করণ) উদ্ধৃতি

Co, E. A. (1997). Public policy and advocacy: Position and opposition in the Calabarzon. Ateneo Center for Social Policy and Public Affairs.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Co, Edna A. Public Policy and Advocacy: Position and Opposition in the Calabarzon. Quezon City: Ateneo Center for Social Policy and Public Affairs, 1997.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Co, Edna A. Public Policy and Advocacy: Position and Opposition in the Calabarzon. Ateneo Center for Social Policy and Public Affairs, 1997.