Institute of Internasional Relations, 1974
Buku Teks
Restarick, Henry Bond
Yale University Press , 1931
Buku Teks
edited by Robert S. Ross and Jo Inge Bekkevold
Georgetown University Press, 2016
Buku Teks
Schenke, Wolf
H.H. Nölke, 1949
Buku Teks
Kuo, P.C. (Ping-chia), author
Alfred A. Knopf, 1956
Buku Teks