Tohutoro APA (7th ed.)
Ward, B. (1962). The rich nations and the poor nations. W.W.Norton & Co..
Tohutoru Kātū Chicago (17th ed.)
Ward, Barbara. The Rich Nations and the Poor Nations. New York: W.W.Norton & Co., 1962.
Tohutoro MLA (9th ed.)
Ward, Barbara. The Rich Nations and the Poor Nations. W.W.Norton & Co., 1962.
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