BUSINESS WORLD. (2005). MARKETING WHITEBOOK-2005. BUSINESS WORLD.
Chicago Style aipamenaBUSINESS WORLD. MARKETING WHITEBOOK-2005. NEW DELHI: BUSINESS WORLD, 2005.
MLA aipamenaBUSINESS WORLD. MARKETING WHITEBOOK-2005. BUSINESS WORLD, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.