Παραπομπή APA

Williamson, H. F., & Buttrick, J. A. (1955). Economic development: Principles and patterns. Englewood Cliffs, N.J: Prentice-Hall.

Παραπομπή Chicago Style

Williamson, Harold F., and John A. Buttrick. Economic Development: Principles and Patterns. Englewood Cliffs, N.J: Prentice-Hall, 1955.

Παραπομπή MLA

Williamson, Harold F., and John A. Buttrick. Economic Development: Principles and Patterns. Englewood Cliffs, N.J: Prentice-Hall, 1955.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.