@book {
author = {George B. Thomas and Maurice D. Weir and Joel Hass and Frank R. Giordano},
title = {Thomas-féle kalkulus 1.},
year = {2010},
publisher = {Typotex Kiadó},
isbn = {978 963 279 833 2},
URL = {https://edu.interkonyv.hu/konyvek/thomas-kalkulus-1/}
}