APA استشهاد

Higgins, B. (1966). Economic development: Principles, problems and policies. Central book department.

استشهاد بنمط شيكاغو

Higgins, Benjain. Economic Development: Principles, Problems and Policies. Allahabad: Central book department, 1966.

MLA استشهاد

Higgins, Benjain. Economic Development: Principles, Problems and Policies. Central book department, 1966.