WHITING, D. P. (1973). Finance Of Foreign Trade And Foreign Exchange D.p. Whiting. MacDonald & Evans.
Lua i Stíl Chicago (17ú heag.)WHITING, D. P. Finance Of Foreign Trade And Foreign Exchange D.p. Whiting. MacDonald & Evans, 1973.
Lua MLA (8ú heag.)WHITING, D. P. Finance Of Foreign Trade And Foreign Exchange D.p. Whiting. MacDonald & Evans, 1973.
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