Thomas, R.L.
Kluwer law and Taxation Publishers, 1988
Buku Teks
Meer, S.W. Van Der
W.E.J. Tjeenk Willink, 1973
Buku Teks
F. Damian Leo
Kluwer, 1978
Buku Teks SO
Warendorf, H.C.S.
Kluwer Law and Taxation Pub., 1988
Buku Teks
Wilson, John Furness
American Library Association, 1982
Buku Referensi