Wolf, Paul R., author
Gadja Mada University Press, 1993
Buku Teks
Universitas Indonesia, 2002
UI - Skripsi (Membership)
Krista Ekaputri, author
2018
UI - Tesis (Membership)
North-Holland, 1975
Buku Teks
Jun Chen, Emmanuel Baltsavias, editor
CRC Pres, 2008
Buku Teks