Lua APA (7ú heag.)
Lekhi, R., & Kaur, C. (2008). Business economics: BBA 3rd semester. Kalyani Publishers.
Lua i Stíl Chicago (17ú heag.)
Lekhi, R.K, agus Charanjit Kaur. Business Economics: BBA 3rd Semester. Kolkata: Kalyani Publishers, 2008.
Lua MLA (9ú heag.)
Lekhi, R.K, agus Charanjit Kaur. Business Economics: BBA 3rd Semester. Kalyani Publishers, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.