Conway, Richard
Winthrop Publishers, 1973
Buku Teks SO
Hughes, Joan K.
John Wiley & Sons, 1979
Buku Teks
Hughes, Joan K.
John Wiley & Sons, 1981
Buku Teks SO
Weinberg, Gerald
John Wiley & Sons, 1973
Buku Teks
Katzan, Harry, Jr.
Auerbach, 1972
Buku Teks