McMurry, John, author
Brooks/Cole, 2007
Buku Teks
Harwood, Laurence M., author
Erlangga, 2009
Buku Teks
Doxsee, Kenneth M., author
Thomson, Brooks/Cole, 2004
Buku Teks
Hart, Harold, 1922-, author
Erlangga, 2003
Buku Teks
Kipping, F.B.
W & R Chambers, 1957
Buku Teks