Παραπομπή APA

Gill, R. T. (1972). Evolution of modern economics. Prentice Hall.

Παραπομπή Chicago Style

Gill, Richard T. Evolution of Modern Economics. New Delhi: Prentice Hall, 1972.

Παραπομπή MLA

Gill, Richard T. Evolution of Modern Economics. Prentice Hall, 1972.