SETHI SUBHASH C. (2003). TWENTY FIVE MINTUTES TO ENHANCE YOUR CUSTOMER SELLING. INDIANA BOOKS.
Citazione stile Chigago Style (17a edizione)SETHI SUBHASH C. TWENTY FIVE MINTUTES TO ENHANCE YOUR CUSTOMER SELLING. NEW DELHI: INDIANA BOOKS, 2003.
Citatione MLA (9a ed.)SETHI SUBHASH C. TWENTY FIVE MINTUTES TO ENHANCE YOUR CUSTOMER SELLING. INDIANA BOOKS, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.