@book {
author = {Thomas Hylland Eriksen and Dag O. Hessen},
title = {A versengés paradoxonjai},
year = {2018},
publisher = {Typotex Kiadó},
isbn = {978 963 279 991 9},
URL = {https://edu.interkonyv.hu/konyvek/hessen-eriksen-a-versenges-paradoxonjai/}
}