Hillman, Abraham P.
PW Publishing Company, 1994
Buku Teks
Fraleigh, John B.
Addison-Wesley Publishing Co., 1994
Buku Teks
Smith, Jonathan D.H., author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Whitelaw, Thomas A., author
Blackie Academic & Professional, 1995
Buku Teks
Barnes, Wilfred E., author
D. C. Hearth, 1963
Buku Teks