APA aipamena

Powell M. Mark. (1998). Business Matters: Teachers' Resource Book. LTP Business, 1998.

Chicago Style aipamena

Powell M. Mark. Business Matters: Teachers' Resource Book. LTP Business, 1998, 1998.

MLA aipamena

Powell M. Mark. Business Matters: Teachers' Resource Book. LTP Business, 1998, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.