Torok, P., H., S.(2008).Climate change: what you can do about it at work, at home, at school (ed.i).(4) Organisasi Perusahaan: Teo:Caesar Media Pustaka.
Gaya MLA
Torok, P., H., S..Climate change: what you can do about it at work, at home, at school.ed.i(4) Organisasi Perusahaan: Teo:Caesar Media Pustaka,2008.Text.