Holsti , . K. (1967). International politics: A frame work for analysis. Prentice-Hall.
Cita Chicago (17th ed.)Holsti , K.J. International Politics: A Frame Work for Analysis. Englewood Cliffs, N.J.: Prentice-Hall, 1967.
Cita MLA (9th ed.)Holsti , K.J. International Politics: A Frame Work for Analysis. Prentice-Hall, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.