APA aipamena

Perlitz, L. (2016). Professional business skills (3rd ed.). Australia: Cengage Learning.

Chicago Style aipamena

Perlitz, Lee. Professional Business Skills. 3rd ed. Australia: Cengage Learning, 2016.

MLA aipamena

Perlitz, Lee. Professional Business Skills. 3rd ed. Australia: Cengage Learning, 2016.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.