APA (7th ed.) Zitazioa

GILL, R. T. (1967). Evolution of modern economics. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

GILL, Richard T. Evolution of Modern Economics. Englewood: Prentice-Hall, 1967.

MLA (9th ed.) Zitazioa

GILL, Richard T. Evolution of Modern Economics. Prentice-Hall, 1967.