Palmer, N. D., & Perkins, H. C. (1965). Internarional relations (2nd.). Scientific Book.
Dyfyniad Arddull ChicagoPalmer, Norman D., and Howard C. Perkins. Internarional Relations. 2nd. Calcutta: Scientific Book, 1965.
Dyfyniad MLAPalmer, Norman D., and Howard C. Perkins. Internarional Relations. 2nd. Scientific Book, 1965.
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