Burton, J. W. (1971). International relations: A general theory. George Allen and Unwin.
Dyfyniad Arddull ChicagoBurton, J. W. International Relations: A General Theory. Bombay: George Allen and Unwin, 1971.
Dyfyniad MLABurton, J. W. International Relations: A General Theory. George Allen and Unwin, 1971.
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