Quality Testing of Butter
- De, Sukumar. (2001). Outlines of Dairy Technology. Oxford University Press, New Delhi.
- Ling, E.R. (1956). A Textbook of Dairy Chemistry, Volume 2: Practical. Chapman and Hall Ltd., London.
- FSSAI. (2016). Manual of Methods of Analysis of Foods: Milk and Milk Products. Food Safety and Standards Authority of India, New Delhi.
- IS 3508: Method for Determination of Free Fatty Acids in Butter.