APA-čujuhus (7. p.)
Lekhi, R., & Kaur, C. (2016). Business economics: BBA-3rd semester (2nd rev. ed.). Kalyani Publishers.
Chicago-čujuhus (17. p.)
Lekhi, R.K, juo Charanjit Kaur. Business Economics: BBA-3rd Semester. 2nd rev. ed. kolkata: Kalyani Publishers, 2016.
MLA-čujuhus (9. p.)
Lekhi, R.K, juo Charanjit Kaur. Business Economics: BBA-3rd Semester. 2nd rev. ed. Kalyani Publishers, 2016.
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