SHANKER, R. H. (2013). MANAGEMENT MANTRAS. JAICO PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)SHANKER, RAVI H.H. MANAGEMENT MANTRAS. MUMBAI: JAICO PUBLISHING HOUSE, 2013.
Lua MLA (9ú heag.)SHANKER, RAVI H.H. MANAGEMENT MANTRAS. JAICO PUBLISHING HOUSE, 2013.
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