Hayder Khaleel Qurban Ali. (2012). Optimization of citric acid production by Aspergillus niger on paddy straw. School of Bioproses Engineering.
Chicago Style aipamenaHayder Khaleel Qurban Ali. Optimization of Citric Acid Production by Aspergillus Niger on Paddy Straw. Kangar Perlis: School of Bioproses Engineering, 2012.
MLA aipamenaHayder Khaleel Qurban Ali. Optimization of Citric Acid Production by Aspergillus Niger on Paddy Straw. School of Bioproses Engineering, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.