APA-viite (7. p.)

SETHI SUBHASH C. (2003). TWENTY FIVE MINTUTES TO ENHANCE YOUR CUSTOMER SELLING. INDIANA BOOKS.

Chicago-viite (17. p.)

SETHI SUBHASH C. TWENTY FIVE MINTUTES TO ENHANCE YOUR CUSTOMER SELLING. NEW DELHI: INDIANA BOOKS, 2003.

MLA-viite (9. p.)

SETHI SUBHASH C. TWENTY FIVE MINTUTES TO ENHANCE YOUR CUSTOMER SELLING. INDIANA BOOKS, 2003.