Singh, A. (2018). Business Law (11th.). Eastern Book Company.
Chicago Style aipamenaSingh, Avtar. Business Law. 11th. Lucknow: Eastern Book Company, 2018.
MLA aipamenaSingh, Avtar. Business Law. 11th. Eastern Book Company, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.