Sherman, S.
Farrar , 1920
Buku Teks
Hall, J. Oliver, author
America Book Company, 1958
Buku Teks
Dickson, Paul, author
Facts on file, 1986
Buku Teks
Yayat Hendayana, author
Program Pascasarjana Universitas Indonesia, 2014
UI - Tesis (Membership)
Martens, Stephanie B., author
Palgrave Macmillan, 2016
Buku Teks