(2014). National Geographic Mei s/d Agustus th. 2014. Kompas Gramedia.
Chicago Style (17th ed.) CitationNational Geographic Mei S/d Agustus Th. 2014. Kompas Gramedia, 2014.
MLA (8th ed.) CitationNational Geographic Mei S/d Agustus Th. 2014. Kompas Gramedia, 2014.
Warning: These citations may not always be 100% accurate.