APA aipamena

Dubicka, I. (2006). Market leader: Advanced. Harlow: Pearson Education.

Chicago Style aipamena

Dubicka, Iwonna. Market Leader: Advanced. Harlow: Pearson Education, 2006.

MLA aipamena

Dubicka, Iwonna. Market Leader: Advanced. Harlow: Pearson Education, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.