HIGGINS, B. Economic development: Principles, problems and policies.
Citazione stile Chigago Style (17a edizione)HIGGINS, Benjamin. Economic Development: Principles, Problems and Policies.
Citatione MLA (9a ed.)HIGGINS, Benjamin. Economic Development: Principles, Problems and Policies.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.