Abduh, M. (1991). Mutiara Nahjul-Balaghah. Bandung: Mizan.
Amstrong, K. (2009). The Case for God. New York: Anchor Books.
Az-Zarnuji (t.t.) Ta’limul Muta’allim Thariqut Ta’allum. Semarang: Karya Toha Putera.
Baskerville, R., dan Russo, N. L. (2005). Metaphors for PhD Study, dalam Avison, D., dan Paris-Heje, J. (ed.). Research in Information Systems: A Handbook for Research Supervisors and Their Students. Burlington, MA: Elsevier Butterworth-Heinemann.
Delors, J., et al. (1996). Learning: The Treasure Within. Paris: UNESCO.
Departemen Agama RI (1997). Al-Quran dan Terjemahnya. Mekkah: Komplek Percetakan Al-Quran Al-Karim Raja Fahd.
Engineer, A. A. (1990). Islam and Liberation Theology: Essays on Liberative Elements in Islam. New Delhi: Sterling Publishers Private Limited.
Freire, P. (1985). Pendidikan Kaum Tertindas. Jakarta: LP3ES.
Giddens, A. (1979). Central Problems in Social Theory. London: Macmillan.
Gie, T. L. (1987). Cara Belajar yang Efisisen. Yogyakarta: Liberty.
Gladwell, M. (2000). The Tipping Point: How Little Things Can Make a Big Differences. London: Abacus.
Haack, S. (1994). “Dry Truth and Real Knowledge”: Epitemologies of Metaphor and Metaphors of Epistemology, dalam Hintikka, J. (ed.) Aspects of Metaphor. Dordrecht, The Netherlands: Kluwer Academic Publishers.
Halstead, J. M. (2004). An Islamic Concept of Education. Comparative Education, 40(4), 517-529.
Illich, I. (1972). Deschooling Society. Great Britain: Clader and Boyars. Tersedia online di http://www.davidtin Ωapple.com/illich/1970_deschooling.html
Shihab, Q. (2006). Membumikan Al-Qur’an. Bandung: Mizan.