References
^ (2012). The Concise Encyclopedia of Sociology, John Wiley & Sons. Product. ISBN 9781405183536 (revised May 2012)^ (2012). The Concise Encyclopedia of Sociology, John Wiley & Sons. Wiki. ISBN 9781405183536 (revised May 2012)^ Ritzer, George; Ryan, J. Michael (2014). The Concise Encyclopedia of Sociology, Wiley-Blackwell. BiggerBooks. ISBN 9781405183536 (revised Feb 2024)
|