APA Format
8006. (Yogyakarta : Harmoni Hati, 2008). Global warming for beginner. :
MLA Format
8006. Global warming for beginner. : , Yogyakarta : Harmoni Hati, 2008
Chicago Format
8006. Global warming for beginner. : , Yogyakarta : Harmoni Hati, 2008
Australian/Harvard Format
8006. Yogyakarta : Harmoni Hati, 2008. Global warming for beginner.