Germany (East) & Enderlein, F. (1984). Commercial, business, and trade laws: German Democratic Republic. Oceana Publications.
Chicago-referens (17:e uppl.)Germany (East) och Fritz Enderlein. Commercial, Business, and Trade Laws: German Democratic Republic. Dobbs Ferry, N.Y: Oceana Publications, 1984.
MLA-referens (9:e uppl.)Germany (East) och Fritz Enderlein. Commercial, Business, and Trade Laws: German Democratic Republic. Oceana Publications, 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.