El salvador agreements: the path to peace
United Nations, [date of publication not identified]
 Buku Teks
Wallich, Henry C.
Public finance in a developing country : El Salvador - a case study
Harvard University Press, 1951
 Buku Teks
Chavez, Joaquin Mauricio
Poets and prophets of the resistance: intellectuals and the origins of El Salvador's civil war
Oxford University Press, 2017
 eBooks
Nugroho Notosusanto
Mengenali medan pengabdian: pidato wisuda sarjana, 6 Agustus 1982
UI-Press, 1982
 Buku Teks
Locke, John
The Second treatise of government
The Bobbs-Merrill Company, Inc, 1952
 Buku Teks