AXTELL ROGER E. (1994). DOS`AND TABOOS OF INTERNATIONAL TRADE: A SMALL BUSINESS PRIMER. JOHN WILEY AND SONS.
Cita Chicago (17th ed.)AXTELL ROGER E. DOS`AND TABOOS OF INTERNATIONAL TRADE: A SMALL BUSINESS PRIMER. NEW YORK: JOHN WILEY AND SONS, 1994.
Cita MLA (9th ed.)AXTELL ROGER E. DOS`AND TABOOS OF INTERNATIONAL TRADE: A SMALL BUSINESS PRIMER. JOHN WILEY AND SONS, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.