APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.