Artikel Jurnal
edited by Robert Dickinson ... [and others]
Cambridge University Press, 2012
Buku Teks
edited by A.H. Robertson
Manchester University Press, 1968
Buku Teks
Bossuyt, Marc, author
Intersentia, 2016
eBooks
Schreiber, Anna P.
A.W. Sijthoff, 1970
Buku Teks