ശാന്തകുമാർ, സ. ജ., & Shantha kumar, C. (2005). യൂറി ഗഗാറിൻ (2nd ed.). Kerala Shasthra Sahithya Parishathu.
Chicago Stili Alıntıശാന്തകുമാർ, സി. ജി, ve C.G Shantha kumar. യൂറി ഗഗാറിൻ. 2nd ed. Thrissur: Kerala Shasthra Sahithya Parishathu, 2005.
MLA Alıntıശാന്തകുമാർ, സി. ജി, ve C.G Shantha kumar. യൂറി ഗഗാറിൻ. 2nd ed. Kerala Shasthra Sahithya Parishathu, 2005.
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