edited by James C. Hsiung
Paragon House, 1985
Buku Teks
Cassesse, Antonio, author
Yayasan Obor Indonesia , 1993-1994
Buku Teks
Schenkman Publishing company, 1974
Buku Teks
Foster, Steve, author
Oxford university press, 2012
Buku Teks
edited by Ana Filipa Vrdoljak
Oxford Universitr Press, 2013
Buku Teks