Kennedy, X.J.
Pearson Longman , 2005
Buku Teks SO
Hubell, Jay Broadus
Macmillan, 1922
Buku Teks SO
Chatman, Seymour
Houghton Miffiln, 1968
Buku Teks SO
Perrine, Laurence
Harcourt, Brace College, 1992
Buku Teks SO
Kennedy, X.J.
Harper Collins, 1991
Buku Referensi