APA (7 ম সংস্করণ) উদ্ধৃতি

SpringerLink (Online Service) & Obi, A. (2011). Institutional constraints to small farmer development in Southern Africa. Wageningen Academic Publishers.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

SpringerLink (Online Service) এবং Ajuruchukwu Obi. Institutional Constraints to Small Farmer Development in Southern Africa. Wageningen: Wageningen Academic Publishers, 2011.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

SpringerLink (Online Service) এবং Ajuruchukwu Obi. Institutional Constraints to Small Farmer Development in Southern Africa. Wageningen Academic Publishers, 2011.