The world order: socialist perspectives / edited by Ray Bush, Gordon Johnston and
Polity Press, 1987
Buku Teks SO
Snyder, Louis L.
World in the twentieth century
Princeton University Press, 1964
Buku Teks SO
Mende, Tibor
World power in the balance
Noonday Press, 1953
Buku Teks SO
Kegley, Charles William, Jr.
The global future : a brief infroduction to world politics
Wardsworth, 2010
Buku Teks SO
Schapiro, J. Salwyn
The world in crisis : political and social movement in the twentieth century
McGraw-Hill, 1950
Buku Teks