VVB Spielwaren <Sonneberg> & Außenhandelsunternehmen DEMUSA GmbH <Berlin>. (1966). Leipzig Autumn Fair 1966: Consumer Goods Fair with offer of Technical Commodities ; 4th - 11th September ; Fair Catalogue. Volksdruckerei.
Cita Chicago (17th ed.)VVB Spielwaren <Sonneberg> i Außenhandelsunternehmen DEMUSA GmbH <Berlin>. Leipzig Autumn Fair 1966: Consumer Goods Fair with Offer of Technical Commodities ; 4th - 11th September ; Fair Catalogue. Sonneberg: Volksdruckerei, 1966.
Cita MLA (8th ed.)VVB Spielwaren <Sonneberg> i Außenhandelsunternehmen DEMUSA GmbH <Berlin>. Leipzig Autumn Fair 1966: Consumer Goods Fair with Offer of Technical Commodities ; 4th - 11th September ; Fair Catalogue. Volksdruckerei, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.