Citazione Stile APA (7a Edizione)

Williamson, H. F. 1. e., & Buttrick, J. A. (1954). Economic development: Principles and patterns. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Williamson, Harold Francis 1901- ed, e John A. Buttrick. Economic Development: Principles and Patterns. New York: Prentice-Hall, 1954.

Citatione MLA (9a ed.)

Williamson, Harold Francis 1901- ed, e John A. Buttrick. Economic Development: Principles and Patterns. Prentice-Hall, 1954.