Williams, James H.
John Wiley & Sons, 1996
Buku Teks
Ginsberg, Jerry H., 1944-
John Wiley & Sons, 1984
Buku Teks
McGraw-Hill, 1968
Buku Teks
Bolton, Arthur, 1921-
McGraw-Hill, 1994
Buku Referensi
Woodson, Herbert H.
Robert E. Krieger Publishing Co., 1985
Buku Teks