Não informado. (1981). Journal of Policy Analysis and Management. Association for Public Policy Analysis and Management.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Journal of Policy Analysis and Management. New York: Association for Public Policy Analysis and Management, 1981.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Journal of Policy Analysis and Management. Association for Public Policy Analysis and Management, 1981.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.