edited by John H. Cary and Julius Weinberg
Little, Brown, 1984
Buku Teks
Barrilleaux, Charles
Cambridge University Press, 2017
Buku Teks
edited by James F. Short
Sage, 1986
Buku Teks
Ghali, A.
Chapman and Hall , 1978
Buku Teks
Ghali, A.
Intext Educational Publishers , 1972
Buku Teks