"La Pinetina" Training Centre, Appiano Gentile (Como), 1973. French-Argentine football manager Helenio Herrera in training with Inter Milan in the 1973–74 season.
<ul><li><b>Original: </b> Unknown author<span style="display: none;">Unknown author</span></li>
<li><b>Derivative work: </b> <a href="//commons.wikimedia.org/w/index.php?title=User:%D0%92%D0%B8%D0%BA%D1%82%D0%BE%D1%80_%D0%9D%D0%B5_%D0%92%D0%B0%D1%86%D0%BA%D0%BE&amp;action=edit&amp;redlink=1" class="new" title="User:Виктор Не Вацко (page does not exist)">Виктор Не Вацко</a></li></ul>
Carlotta Vanni (<span class="mw-formatted-date" title="2017-11-09">November 9, 2017</span>). <a rel="nofollow" class="external text" href="https://www.teleambiente.it/helenio-herrera-20-anni-dalla-scomparsa/">Helenio Herrera. 20 anni dalla scomparsa del "Mago"</a> <span style="font-size: 0.95em; font-weight: bold; color:#555; position: relative;">(in italian)</span>. <i>teleambiente.it</i>. (<a href="//commons.wikimedia.org/wiki/File:1973%E2%80%9374_Inter_Milan_-_Sandro_Mazzola_and_Helenio_Herrera.jpg" title="File:1973–74 Inter Milan - Sandro Mazzola and Helenio Herrera.jpg">original photo</a>)