Hajela, T. (2009). History & Economic Thoughts. Ane Books India.
Lua i Stíl Chicago (17ú heag.)Hajela, T.N. History & Economic Thoughts. Delhi: Ane Books India, 2009.
Lua MLA (9ú heag.)Hajela, T.N. History & Economic Thoughts. Ane Books India, 2009.
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