Citazione Stile APA (7a Edizione)

Gill, R. T. (1973). Economic development: Past and present (3d ed.). Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Gill, Richard T. Economic Development: Past and Present. 3d ed. Englewood Cliffs, N.J: Prentice-Hall, 1973.

Citatione MLA (9a ed.)

Gill, Richard T. Economic Development: Past and Present. 3d ed. Prentice-Hall, 1973.