Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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