Drobnick, R. L., & Enzer, S. (1981). Future environments of international trade: A summary report of the fourth Twenty Year Forecast Project. Center for Futures Research, Graduate School of Business Administration, Univ. of Southern California.
Chicago-Zitierstil (17. Ausg.)Drobnick, Richard L., und Selwyn Enzer. Future Environments of International Trade: A Summary Report of the Fourth Twenty Year Forecast Project. Los Angeles, Calif: Center for Futures Research, Graduate School of Business Administration, Univ. of Southern California, 1981.
MLA-Zitierstil (9. Ausg.)Drobnick, Richard L., und Selwyn Enzer. Future Environments of International Trade: A Summary Report of the Fourth Twenty Year Forecast Project. Center for Futures Research, Graduate School of Business Administration, Univ. of Southern California, 1981.