APA (7 ম সংস্করণ) উদ্ধৃতি

Duff, L. (1997). The economics of governments and markets: New directions in European public policy. Longman.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Duff, Lois. The Economics of Governments and Markets: New Directions in European Public Policy. London: Longman, 1997.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Duff, Lois. The Economics of Governments and Markets: New Directions in European Public Policy. Longman, 1997.