1. Methods of Analysis: MOA Beer 10 A Spectrophotometric Color Method;American Society of Brewing Chemists,2006
2. Methods of Analysis: MOA Beer 10 C Spectrophotometric Color Method;American Society of Brewing Chemists,2006
3. Standard Practice for Obtaining Spectrometric Data for Object-color Evaluation;ASTM Standard E1164-12,2014
4. Standard Practices for Computing the Colors of Objects by Using the CIE System;ASTM Standard E308-96,1996
5. Billmeyer and Saltzman's Principles of Color Technology;Berns,2000