Gentile, Giulio
[Guida Editori;Guida Editori;Guida Editori, Guida Editori], 1980
Buku Teks
Makdisi, George A.
Serambi Ilmu Semesta, 2005
Buku Teks
Makdisi, George A.
Serambi Ilmu Semesta, 2005
Buku Teks
Holt, Rinehart and Winston , 1964
Buku Teks
edited by Saxe Commins and Robert N. Linscott
Modern Pocket Library, 1947
Buku Teks