APA (7th ed.) Zitazioa
Ashraf, M. S. F., Abid Mahmud Shohel, & Ashadullah Hill Galib. (2013). BIOMASS BRIQUETTE –AN ALTERNATIVE SOURCE OF ENERGY IN BANGLADESH. ME DEPT MIST.
Chicago Style (17th ed.) Zitazioa
Ashraf, Md. Syed Faisal, Abid Mahmud Shohel, eta Ashadullah Hill Galib. BIOMASS BRIQUETTE –AN ALTERNATIVE SOURCE OF ENERGY IN BANGLADESH. Dhaka: ME DEPT MIST, 2013.
MLA (9th ed.) Zitazioa
Ashraf, Md. Syed Faisal, et al. BIOMASS BRIQUETTE –AN ALTERNATIVE SOURCE OF ENERGY IN BANGLADESH. ME DEPT MIST, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.