Jakarta P3I Sekretariat Jenderal DPR RI, 1998
Buku Teks
M. Abriyanto, author
Pustaka Sinar Harapan, 1991
Buku Teks
Mohammad Sadli, 1922-2008, author
Muhammadiyah University Press, 2001
Buku Teks
Yerry Wirawan, author
2000
UI - Skripsi (Membership)
Schwarz, Adam, author
Allen & Unwin, 1999
Buku Teks