Peters, Wilhelmus Antonius Maria
Oxford University Press, 1947
Buku Teks SO
Chicago : The Modern Poetry Association
Majalah, Jurnal, Buletin
Hyde, Simeon
Addison-Wesley Publishing Company, Inc., 1967
Buku Teks
Portnoy, Ethel
Meulenhoff, 1998
Buku Teks
edited by Leslie A. Fiedler
Thomas Y. Crowell, 1958
Buku Teks