Citazione Stile APA (7a Edizione)

Higgins, B. (1959). Economic development: Principles, problems, and policies. Constable and Company.

Citazione stile Chigago Style (17a edizione)

Higgins, Benjamin. Economic Development: Principles, Problems, and Policies. Londres: Constable and Company, 1959.

Citatione MLA (9a ed.)

Higgins, Benjamin. Economic Development: Principles, Problems, and Policies. Constable and Company, 1959.