Costa,G.C.DA. (2004). Value and distribution in noe-classical and classical systems (2.). Himalaya Publishing House.
Chicago-tyylinen lähdeviittausCosta,G.C.DA. Value and Distribution in Noe-classical and Classical Systems. 2. New Delhi: Himalaya Publishing House, 2004.
MLA-viiteCosta,G.C.DA. Value and Distribution in Noe-classical and Classical Systems. 2. Himalaya Publishing House, 2004.
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