Carey, John, author
Oceana Publications, Inc, 1968
Buku Teks
Carey, John, author
Syracuse University Press , 1971
Buku Teks
Robertson, Arthur Henry, 1913-, author
Manchester University Press, 1992
Buku Teks
McBeth, Adam, author
Oxford Univ Press, 2011
Buku Teks
Buergenthal, Thomas
St. Paul Minn, 1988
Buku Teks