Sarma, V Venkatarama
[T.t.] University of Madras 1935
Buku Teks
Unger, Roberto Mangabeira
Harvard University Press, 1983
Buku Teks
Unger, Roberto Mangabeira
Harvard University Press, 1986
Buku Teks
Agger, Ben, author
Falmer Press, 1992
Buku Teks
Voorhoeve, Petrus, author
Martinus Nijhoff, 1955
Buku Teks