Kotulak, R. White guys happiest, study finds: Ronald Kotulak. Literary theory : an anthology.(1998).
Čikaški stil citiranja (17. izdanje)Kotulak, Ronald. "White Guys Happiest, Study Finds: Ronald Kotulak." Literary Theory : An Anthology.(1998) .
MLA način citiranja (8. izdanje)Kotulak, Ronald. "White Guys Happiest, Study Finds: Ronald Kotulak." Literary Theory : An Anthology.(1998), .
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