Citação norma APA

 Cooke, R. A. (2001).  Doing business tax-free: Perfectly legal techniques to reduce or eliminate your federal business taxes.  John Wiley & Sons.

Citação norma Chicago

 Cooke, Robert A.  Doing Business Tax-free: Perfectly Legal Techniques to Reduce or Eliminate Your Federal Business Taxes.  John Wiley & Sons, 2001.

Citação norma MLA

 Cooke, Robert A.  Doing Business Tax-free: Perfectly Legal Techniques to Reduce or Eliminate Your Federal Business Taxes.  John Wiley & Sons, 2001.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.