Bacovia, George
Bukarest Minerva 1980
Buku Teks
Kennedy, X. J., author
Pearson Longman , 2005
Buku Teks
DiYanni, Robert
McGraw-Hill, 2000
Buku Teks
Hubell, Jay Broadus, author
Macmillan, 1922
Buku Teks
edited by John C. Hunter
Wiley-Blackwell, 2010
Buku Teks