Παραπομπή APA

Kahn, H. C. (1964). Business and professional income under the personal income tax. National bureau Economic research.

Παραπομπή Chicago Style

Kahn, Harry C. Business and Professional Income Under the Personal Income Tax. New York: National bureau Economic research, 1964.

Παραπομπή MLA

Kahn, Harry C. Business and Professional Income Under the Personal Income Tax. National bureau Economic research, 1964.