APA Citation

Jerry Rumkeny, & Ridwan Sanjaya. (2010). Foursquare. Jakarta: Elex Media Komputindo.

Chicago Style Citation

Jerry Rumkeny, and Ridwan Sanjaya. Foursquare. Jakarta: Elex Media Komputindo, 2010.

MLA Citation

Jerry Rumkeny, and Ridwan Sanjaya. Foursquare. Jakarta: Elex Media Komputindo, 2010.

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