Chairul Anwar
Djambatan, 1989
Buku Teks
Koers, Albert W.
Gadjah Mada University Press, 1991
Buku Referensi
Koers, Albert W.
Gadjah Mada University Press, 1991
Buku Teks
Brierly, J. L. (James Leslie)
Bhratara, 1996
Buku Teks
Muhammad Subuh Rezki
Universitas Indonesia, 2013
UI - Skripsi (Open)