APA-referens (7:e uppl.)
ebrary, Inc, & Drygala, T. (2012). Private autonomy in Germany and Poland and in the Common European sales law. Sellier European Law Publishers.
Chicago-referens (17:e uppl.)
ebrary, Inc, och Tim Drygala. Private Autonomy in Germany and Poland and in the Common European Sales Law. Munich: Sellier European Law Publishers, 2012.
MLA-referens (9:e uppl.)
ebrary, Inc, och Tim Drygala. Private Autonomy in Germany and Poland and in the Common European Sales Law. Sellier European Law Publishers, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.