Bartlett, C. J.
The global conflict / C.J. Bartlett
Longman, 1992
Buku Teks
The foreign policies of the powers / edited F.S. Northedge
The Free Press, 1974
Buku Teks
Langer, William L.
The diplomacy of imperialism 1890-1902
Alfred A. Knoff, 1951
Buku Teks
Linz, Juan J.
The breakdown of democratic regimes : crisis, breakdown, and reequilibration
Johns Hopkins University Press, 1978
Buku Teks
A Companion to International History 1900-2001
Gordon Martel
Wiley Blackwell, 2010
Buku Teks