Indonesian tax laws relating to direct taxes with 1969 tax guide to employers enterpreneurs for deducation of personal income tax, / may 1969
Sycip, Gorres, Velajo & Utomo
Djakarta , Sycip, Gorres, Velayo & Utomo
 Buku Teks SO
Beattie, C.N.
The elements of income tax law
Stevens & Sons Lim, 1957
 Buku Teks
Seltzer, Lawrence Howard
The personal exemptions in the income tax
Columbia University Press, 1968
 Buku Teks
Federal income tax regulations
Prentice-Hall, 1976
 Buku Teks SO
Stanley, Joyce, 1901-
Federal income tax law
Warren, Gorham and Lamont, 1971
 Buku Teks SO