Chandra, Prakash
Vikas Publishing House, 1982
Buku Teks
Chandra, Prakash
Vikas Publishing House, 1982
Buku Teks
Holsti, Kalevi J.
Prentice-Hall, 1977
Buku Teks
Collins, David
Cambridge University Press, 2017
Buku Teks
Folsom, Ralph Haughwout
[publisher not identified], [date of publication not identified]
Buku Teks