Siegmund, A., & Siegmund, A. (2007). The earth from above: An international study on remote sensing in modern school geography; challenges and possibilities. Changing geographies.
Chicago-Zitierstil (17. Ausg.)Siegmund, Alexandra, und Alexander Siegmund. "The Earth from Above: An International Study on Remote Sensing in Modern School Geography; Challenges and Possibilities." Changing Geographies 2007.
MLA-Zitierstil (9. Ausg.)Siegmund, Alexandra, und Alexander Siegmund. "The Earth from Above: An International Study on Remote Sensing in Modern School Geography; Challenges and Possibilities." Changing Geographies, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.