Gulshan, S. S. (2010). Business law (3rd ed.). Excel Books.
Chicago Style aipamenaGulshan, S S. Business Law. 3rd ed. New Delhi: Excel Books, 2010.
MLA aipamenaGulshan, S S. Business Law. 3rd ed. Excel Books, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.