Celente, G. (1998). Trends 2000: How to prepare for and profit from the changes of the 21st century (1st trade printing.). Warner.
Cita Chicago Style (17a ed.)Celente, Gerald. Trends 2000: How to Prepare for and Profit from the Changes of the 21st Century. 1st trade printing. New York: Warner, 1998.
Cita MLA (9a ed.)Celente, Gerald. Trends 2000: How to Prepare for and Profit from the Changes of the 21st Century. 1st trade printing. Warner, 1998.
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