Seoul International Invention Fair Seoul, Korea. (2011). Seoul International Invention Fair 2011, 1st-4th December 2011, Seoul, Korea. Korean Invention Promotion Association (KIPA).
Čikaški stil citiranja (17. izdanje)Seoul International Invention Fair Seoul, Korea. Seoul International Invention Fair 2011, 1st-4th December 2011, Seoul, Korea. Seoul, Korea: Korean Invention Promotion Association (KIPA), 2011.
MLA način citiranja (8. izdanje)Seoul International Invention Fair Seoul, Korea. Seoul International Invention Fair 2011, 1st-4th December 2011, Seoul, Korea. Korean Invention Promotion Association (KIPA), 2011.
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