Dyfyniad APA

ELLS, H. S. (1958). Readings In The Theory Of International Trade Howard S. Ellis. George Allen and Unwin.

Dyfyniad Arddull Chicago

ELLS, Howard S. Readings In The Theory Of International Trade Howard S. Ellis. George Allen and Unwin, 1958.

Dyfyniad MLA

ELLS, Howard S. Readings In The Theory Of International Trade Howard S. Ellis. George Allen and Unwin, 1958.

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