Heredia, R. (2009). The Amul India Story. Sage Publications India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Heredia, Ruth. The Amul India Story. New Delhi: Sage Publications India Pvt. Ltd, 2009.
Lua MLA (9ú heag.)Heredia, Ruth. The Amul India Story. Sage Publications India Pvt. Ltd, 2009.
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