Vieli, André, ed. (May 2009). "Origins of the UEFA Cup"(PDF). UEFA direct. No. 85. Nyon: Union des Associations Européennes de Football (UEFA). pp. 10–11. Archived(PDF) from the original on 8 April 2022.
Vieli, André, ed. (May 2009). "Origins of the UEFA Cup"(PDF). UEFA direct. No. 85. Nyon: Union des Associations Européennes de Football (UEFA). pp. 10–11. Archived(PDF) from the original on 8 April 2022.