Buzzati-Traverso, Adriano
UNESCO, 1977
Buku Teks
Association for Civil Society Development in azerbaijin, 2008
Majalah, Jurnal, Buletin
Wolke, Robert L., author
Gramedia Pustaka Utama, 2003
Buku Teks
Kuhn, Thomas S., author
The University of Chicago Press, [c1970]
Buku Teks
Singer, Charles, author
Clarendon Press, 1962
Buku Teks