Ambrose, Stephen E., author
Yayasan Obor Indonesia, 2007
Buku Teks
Ambrose, Stephen E., author
Yayasan obor Indonesia, 2007
Buku Teks
Artikel Jurnal
Al Araf, Anton Aliabbas, Ardi Manto, Bhatara Ibnu Reza
Imparsial, 2011
Buku Teks
Harpur, James, author
Carlton , 2007
Buku Referensi