Tohutoro APA (7th ed.)
Lekhi, R., & Kaur, C. (2008). Business economics: BBA 3rd semester. Kalyani Publishers.
Tohutoru Kātū Chicago (17th ed.)
Lekhi, R.K, me Charanjit Kaur. Business Economics: BBA 3rd Semester. Kolkata: Kalyani Publishers, 2008.
Tohutoro MLA (9th ed.)
Lekhi, R.K, me Charanjit Kaur. Business Economics: BBA 3rd Semester. Kalyani Publishers, 2008.
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