Tohutoro APA (7th ed.)

Kahn, C. H. (1964). Business and professional income under the personal income tax. Princeton University Press.

Tohutoru Kātū Chicago (17th ed.)

Kahn, Charles Harry. Business and Professional Income Under the Personal Income Tax. [Princeton, N.J.]: Princeton University Press, 1964.

Tohutoro MLA (9th ed.)

Kahn, Charles Harry. Business and Professional Income Under the Personal Income Tax. Princeton University Press, 1964.