Gaya APA

pohan, R. (2014). Prosiding: Program book 19th national congress of indonesian orthopaedic association (IOA) (November). Jakarta: Secretary of the Congrss.

Gaya MLA

pohan, Rizal. "Prosiding: Program book 19th national congress of indonesian orthopaedic association (IOA)". November Jakarta: Secretary of the Congrss, 2014. Text.