Zasady: dobrej wiary i uczciwego obrotu oraz swobody umów w kodeksie zobowiązań oraz zasadach europejskiego prawa umów: [The principle of good faith and fair dealing as well as the principle of freedom of contract in the code of obligations and the principles of european contract law]. SP [Internet]. 2008 Apr. 29 [cited 2025 Oct. 6];(4 (178):51-8. Available from: https://czasopisma.inp.pan.pl/index.php/sp/article/view/3619