(1997). North sun ´97: 7th international conference on solar energy at high latitudes, proceedings, June 9-11, 1997, Espoo-Otaniemi, Finland. Helsinki University of Technology.
Chicago-Zitierstil (17. Ausg.)North Sun ´97: 7th International Conference on Solar Energy at High Latitudes, Proceedings, June 9-11, 1997, Espoo-Otaniemi, Finland. Helsinki: Helsinki University of Technology, 1997.
MLA-Zitierstil (9. Ausg.)North Sun ´97: 7th International Conference on Solar Energy at High Latitudes, Proceedings, June 9-11, 1997, Espoo-Otaniemi, Finland. Helsinki University of Technology, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.