Gaya APA

Effective Communication : An Integrated Course Of Engglish For Voctional High School; Elementary Level 2nd Year SMK. (2008). Semarang: Aneka Ilmu.

Gaya MLA

Effective Communication : An Integrated Course Of Engglish For Voctional High School; Elementary Level 2nd Year SMK. . Semarang: Aneka Ilmu, 2008. Text.