Wilson, Bright E., Jr.
Dover Publications, 1990
Buku Teks
Russell, Richard Joel
May, 1960
Buku Teks
Fiedler, Judith
Jossey-Bass, 1978
Buku Teks
Soons, Alfred H.A.
Kluwer Law and Taxation, 1982
Buku Teks
Polit, Denise F.
J.B. Lippincott, 1987
Buku Teks