സുകുമാരൻ, ആ., & Sukumaran, R. (2010). യുഗപുരുഷൻ. Kerala Bhasha Institute.
Chicago Stili Alıntıസുകുമാരൻ, ആർ, ve R. Sukumaran. യുഗപുരുഷൻ. Thiruvananthapuram: Kerala Bhasha Institute, 2010.
MLA Alıntıസുകുമാരൻ, ആർ, ve R. Sukumaran. യുഗപുരുഷൻ. Kerala Bhasha Institute, 2010.
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