Cooke, R. A. (2001). Doing business tax-free: Perfectly legal techniques to reduce or eliminate your federal business taxes. John Wiley & Sons.
Παραπομπή Chicago StyleCooke, Robert A. Doing Business Tax-free: Perfectly Legal Techniques to Reduce or Eliminate Your Federal Business Taxes. John Wiley & Sons, 2001.
Παραπομπή MLACooke, Robert A. Doing Business Tax-free: Perfectly Legal Techniques to Reduce or Eliminate Your Federal Business Taxes. John Wiley & Sons, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.