@manual{iwona,
title = {The iwona package},
subtitle = {A two-element sans-serif font},
author = {Nowacki, Janusz Marian},
url = {https://ctan.org/pkg/iwona},
year = 2005,
urldate = {2023-08-28}, 
version = {0.995b},
}

@book{TLC3,
    title = "The LaTeX Companion: Parts I \& II, 3rd Edition",
    author = "Frank Mittelbach and Ulrike Fischer",
    isbn = "978-01-3816-648-9",
    library_name = "Calibre Library",
    year = 2023,
    month = "May",
    publisher = "Addison-Wesley Professional",
}
@manual{lato,
title = {The lato package},
subtitle = {Lato font family and \LaTeX\ support},
author = {Dziedzic, Łukasz and El Morabity, Mohamed},
url = {http://www.latofonts.com/},
urldate = {2023-08-31}, 
year = 2019,
version = {3.3},
}