Hellmann, Donald C.
Japanese foreign policy and domestics politics
University of California Press, 1969
 Buku Teks
Timberman, David G.
A changeless land: continuity and change in Philippine politics / David G. Timberman
M.E. Sharpe, 1991
 Buku Teks
New directions in the study of foreign policy
edited by Charles F. Herman, Charles W. Kegley, James N. Rosenau
Harper Collins Academic, 1987
 Buku Teks
McGuire, Mark F.
Lost directions U.S. foreign assistance policy since new directions
University of Minnesota, 1989
 Buku Teks
Turkish foreign policy survey: Directions and dilemmas in 2007
 Artikel Jurnal