penyunting, N. Riantiarno
Pustaka Sinar Harapan, 1993
Buku Teks
Boal, Augusto, author
Routledge, 2001
Buku Teks
Littlewood, Joan, 1914-
Methuen, 1994
Buku Teks
Deutscher Taschenbuch Verlag
Buku Teks
Molema, H.
Diedr. Soltau's Verlag, 18888
Buku Referensi