Hayder Khaleel Qurban Ali. (2012). Optimization of citric acid production by Aspergillus niger on paddy straw. School of Bioproses Engineering.
Chicago-viite (17. p.)Hayder Khaleel Qurban Ali. Optimization of Citric Acid Production by Aspergillus Niger on Paddy Straw. Kangar Perlis: School of Bioproses Engineering, 2012.
MLA-viite (8. p.)Hayder Khaleel Qurban Ali. Optimization of Citric Acid Production by Aspergillus Niger on Paddy Straw. School of Bioproses Engineering, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.