Classifying the Universe: The Ancient Indian Varna System and the Origins of Caste,

Oxford: Oxford University Press, 1994.

الفصل الثالث

Rupert Gethin,

The Foundations of Buddhism,

Oxford: Oxford University Press, 1998.

Richard Gombrich,

Theravāda Buddhism: A Social History from Benares to Colombo,

London: Routledge and Kegan Paul, 1988.

Sue Hamilton, Early Buddhism-A New Approach:

Shafi da ba'a sani ba