Kurtz, D. L. (2006). Pinciples of marketing 2006. Thomson.
Chicago Style aipamenaKurtz, David L. Pinciples of Marketing 2006. Thomson, 2006.
MLA aipamenaKurtz, David L. Pinciples of Marketing 2006. Thomson, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.