Citazione Stile APA (7a Edizione)

Klein, W. A. (2006). Federal income taxation (Fourteenth edition.). ASPEN Publishers.

Citazione stile Chigago Style (17a edizione)

Klein, William A. Federal Income Taxation. Fourteenth edition. New York: ASPEN Publishers, 2006.

Citatione MLA (9a ed.)

Klein, William A. Federal Income Taxation. Fourteenth edition. ASPEN Publishers, 2006.