Foster, R. (1915). A treatise on the federal income tax under the act of 1913 (2nd ed.). Lawyers Co-operative.
Chicago-Zitierstil (17. Ausg.)Foster, Roger. A Treatise on the Federal Income Tax Under the Act of 1913. 2nd ed. Rochester, N.Y: Lawyers Co-operative, 1915.
MLA-Zitierstil (9. Ausg.)Foster, Roger. A Treatise on the Federal Income Tax Under the Act of 1913. 2nd ed. Lawyers Co-operative, 1915.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.