"Puri, V. K. (2013). "Business economics - I: F.Y.B.Com., Sem. - I" (10th ed.). Himalaya Pub.
Lua i Stíl Chicago (17ú heag.)"Puri, V. K.". "Business Economics - I: F.Y.B.Com., Sem. - I". 10th ed. Mumbai: Himalaya Pub, 2013.
Lua MLA (9ú heag.)"Puri, V. K.". "Business Economics - I: F.Y.B.Com., Sem. - I". 10th ed. Himalaya Pub, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.