Gaya APA

MukartoSujatmiko, . (2006). English on sky 1 for Junior High School Dtudent (Curriculum 2004 Competency-Based) (Cet .3). Jakarta: Erlangga, Jakarta.

Gaya MLA

MukartoSujatmiko, . "English on sky 1 for Junior High School Dtudent (Curriculum 2004 Competency-Based)". Cet .3 Jakarta: Erlangga, Jakarta, 2006. Text.