Heilbroner, Robert L., author
Norton, 1974
Buku Teks
edited by Alice H. Henkin
Aspen Institute for Humanistic Studies, 1979
Buku Teks
edited by Ian Brownlie, Guy S. Goodwin-Gill
Clarendon Press, 1971
Buku Teks
edited by Burke Marshall
United States International Communication Agency, 1982
Buku Teks
edited by George Clack
[publisher not identified], 1998
Buku Teks