APA (7th ed.) Citation

(2012). National Geographic September-Desember 2012. Gramedia.

Chicago Style (17th ed.) Citation

National Geographic September-Desember 2012. Gramedia, 2012.

MLA (8th ed.) Citation

National Geographic September-Desember 2012. Gramedia, 2012.

Warning: These citations may not always be 100% accurate.