Brecht, Bertolt, 1898-1956
Aufbau-Verlag, 1968
Buku Teks
Martin, James
Prentice-Hall, 1990
Buku Teks SO
American Library Association, 1981
Buku Teks
Fisk, Edward R.
John Wiley & Sons, 1981
Buku Teks SO
Rivers, Charlotte
Rotovision , 2009
Buku Referensi