O`Brien, James A., 1936-, author
Richard D. Irwin, 1986
Buku Teks
Chandor, Anthony.
Penguin, 1985
Buku Referensi
Becker, Hal B., author
McGraw-Hill, 1983
Buku Teks
Edwards, Perry, author
Wadsworth, 1979
Buku Teks
Mandell, Steven L., author
West Publishing, 1983
Buku Teks