Kahn, C. H. (1960). Personal deductions in Federal income tax. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Kahn, Charles Harry. Personal Deductions in Federal Income Tax. Princeton [N. J.]: Princeton University Press, 1960.
Lua MLA (9ú heag.)Kahn, Charles Harry. Personal Deductions in Federal Income Tax. Princeton University Press, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.