Strausz-Hupé, R. (1959). Protracted conflict. New York: Harper.
Trích dẫn kiểu ChicagoStrausz-Hupé, Robert. Protracted Conflict. New York: Harper, 1959.
MLA citiranjeStrausz-Hupé, Robert. Protracted Conflict. New York: Harper, 1959.
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