WHITING, D. P. (1973). Finance Of Foreign Trade And Foreign Exchange D.p. Whiting. MacDonald & Evans.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWHITING, D. P. Finance Of Foreign Trade And Foreign Exchange D.p. Whiting. MacDonald & Evans, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWHITING, D. P. Finance Of Foreign Trade And Foreign Exchange D.p. Whiting. MacDonald & Evans, 1973.
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