APA aipamena

B.D.Singh. (2009). Labour laws for managers. Excel books.

Chicago Style aipamena

B.D.Singh. Labour Laws for Managers. New Delhi: Excel books, 2009.

MLA aipamena

B.D.Singh. Labour Laws for Managers. Excel books, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.