Ary Ginanjar Agustian, author
ARGA, 2006
Buku Teks
Osman Raliby, author
Fajar Shadiq, [date of publication not identified]
Buku Teks
Kamaruzzaman, author
IndonesiaTera, 2001
Buku Teks
Esposito, John L., author
Rineka Cipta , 1990
Buku Teks
M. Imam Karsa
Bulan Bintang, 1981
Buku Teks