Presas i Puig, A. (2007). The scientific and technological relations between Spain and Germany during the first Franco period. Max-Planck-Institut für Wissenschaftsgeschichte.
Chicago-referens (17:e uppl.)Presas i Puig, Albert. The Scientific and Technological Relations Between Spain and Germany During the First Franco Period. Berlin: Max-Planck-Institut für Wissenschaftsgeschichte, 2007.
MLA-referens (8:e uppl.)Presas i Puig, Albert. The Scientific and Technological Relations Between Spain and Germany During the First Franco Period. Max-Planck-Institut für Wissenschaftsgeschichte, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.