Matthew Kofi Ocran. (2019). Economic development in the twenty-first century. Springer Berlin Heidelberg.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিMatthew Kofi Ocran. Economic Development in the Twenty-first Century. New York, NY: Springer Berlin Heidelberg, 2019.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিMatthew Kofi Ocran. Economic Development in the Twenty-first Century. Springer Berlin Heidelberg, 2019.