Juhaya S. Praja, author
Prenada Media, 2005
Buku Teks
Baggini, Julian, author
Mizan Media Utama, 2004
Buku Teks
Baggini, Julian, author
Mizan Media Utama , 2004
Buku Teks
Baggini, Julian, author
Mizan Media Utama , 2004
Buku Teks
Darji Darmodiharjo, author
Gramedia Pustaka Utama, 1995
Buku Teks