Duke Univ. Press, 1979
Buku Teks
Iyer, Lakshmi, author
World Scientific, 2016
Buku Teks
edited by Max F. Millikan and Donald L.M. Blackmer
Little, Brown, 1961
Buku Teks
Bulajic, Milan, author
Martinus Nijhoff, 1993
Buku Teks
university of California Press, 1972
Buku Teks