Kiyosaki, R. T., & Lechter, S. L. (1999). The cashflow quadrant: Employee, self-employed, business owner, or investor... which is the best quadrant for you? Warner Books.
Citazione stile Chigago Style (17a edizione)Kiyosaki, Robert T., e Sharon L. Lechter. The Cashflow Quadrant: Employee, Self-employed, Business Owner, or Investor... Which Is the Best Quadrant for You? New York: Warner Books, 1999.
Citatione MLA (9a ed.)Kiyosaki, Robert T., e Sharon L. Lechter. The Cashflow Quadrant: Employee, Self-employed, Business Owner, or Investor... Which Is the Best Quadrant for You? Warner Books, 1999.
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