Παραπομπή APA
Kahn, H. C. (1964). Business and professional income under the personal income tax. New York: National Bureau of Economic Research.
Παραπομπή Chicago StyleKahn, Harry C. Business and Professional Income Under the Personal Income Tax. New York: National Bureau of Economic Research, 1964.
Παραπομπή MLAKahn, Harry C. Business and Professional Income Under the Personal Income Tax. New York: National Bureau of Economic Research, 1964.
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