edited by Harald Kleinschmidt
Routledge, 2016
Buku Teks
Spaan, Ernst
University of Leiden, 1989
Buku Teks
Artikel Jurnal
Kim, Ye-kyoum, author
[Publisher not identified], 2004
Artikel Jurnal
Rosenzweig, Mark R.
Minneapolis University of Minessota 1987,
Buku Teks