«About the Center». Center for Middletown Studies, Ball State University. Consultado em 21 de maio de 2018
doi.org
dx.doi.org
Robert Lynd (maio de 1934). «The Consumer Becomes a 'Problem'». Annals of the American Academy of Political and Social Science. 173: 1–6. JSTOR1020201. doi:10.1177/000271623417300102
jstor.org
Robert Lynd (maio de 1934). «The Consumer Becomes a 'Problem'». Annals of the American Academy of Political and Social Science. 173: 1–6. JSTOR1020201. doi:10.1177/000271623417300102