Johnson, P. (2009). Business economics-II (S.Y.B.Com). Manan.
Lua i Stíl Chicago (17ú heag.)Johnson, P. Business Economics-II (S.Y.B.Com). Mumbai: Manan, 2009.
Lua MLA (9ú heag.)Johnson, P. Business Economics-II (S.Y.B.Com). Manan, 2009.
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