Saleem Shaikh. (2020). Business Environment (4th.). Pearson.
Chicago Style aipamenaSaleem Shaikh. Business Environment. 4th. Noida: Pearson, 2020.
MLA aipamenaSaleem Shaikh. Business Environment. 4th. Pearson, 2020.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.