Barnes, Harry Elmer, author
Prentice-Hall, 1950
Buku Teks
Simpson, David, author
Oxford University Press , 1986
Buku Teks
Brown, Dee, author
Bantam Books, 1975
Buku Teks
Shelp, Ronald Kent, author
John Wiley & Sons, 2009
Buku Teks
Eck, Diana L., author
Pustaka Sinar Harapan , 2005
Buku Teks