Arnason, H. Harvard, author
Prentice-Hall, 2004
Buku Referensi
Mullany, Francis, author
Global Oriental, 2006
Buku Teks
Sarah Aisyah Kahar, author
Fakultas Teknik Universitas Indonesia, 2017
UI - Skripsi (Membership)
Marcucci, Luisa, author
Studio Books , 1960
Buku Referensi
Wolf, Martin L., author
Philosophical Library, 1958
Buku Referensi