Haywood, John A., author
E.J. brill, 1960
Buku Teks
Giuliano Lancioni, Lidia Bettini, editor
Martinus Nijhoff Publishers, 2011
Buku Teks
Wortabet, John, author
Frederick Ungar Publishing, 1954
Buku Referensi
Spiro, Socrates, bey, 1868-, compiler
Elias Modern Press, 1929
Buku Referensi
Newman, Daniel, author
Routledge, 2007
Buku Referensi