APA-referens (7:e uppl.)
Imam,Badrul. (2013). Energy Resources of Bangladesh: Natural Gas Oil Coal (2nd ed.). University Grants Commission of Bangladesh.
Chicago-referens (17:e uppl.)
Imam,Badrul. Energy Resources of Bangladesh: Natural Gas Oil Coal. 2nd ed. Dhaka: University Grants Commission of Bangladesh, 2013.
MLA-referens (9:e uppl.)
Imam,Badrul. Energy Resources of Bangladesh: Natural Gas Oil Coal. 2nd ed. University Grants Commission of Bangladesh, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.