Kemp, Ronald K.
Principles of income taxation
Butterworth, 1991
 Buku Teks
Gaffney, Dennis J.
Principles of federal income taxation
McGraw-Hill, 1982
 Buku Teks
Gaffney, Dennis J.
Principles of federal income taxation
McGraw-Hill, 1984
 Buku Teks
Joanne E. Magge
Principles of canadian income tax law/ Peter W. Hogg, Joanne E. Magge
Carswell, 1995
 Buku Teks
Nico Herry Janto
Analysis of the fiscal policy regarding income tax article 21 on employee's earnings born by the government - an overview from the equality and certainty principles
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
 UI - Tesis Membership