Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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