Soto, G. J. (2012). Country annual report from Costa Rica (2011) to the International Commission on the History of Geological Sciences (INHIGEO). Universidad de Costa Rica.
Chicago-Zitierstil (17. Ausg.)Soto, Gerardo J. Country Annual Report from Costa Rica (2011) to the International Commission on the History of Geological Sciences (INHIGEO). Universidad de Costa Rica, 2012.
MLA-Zitierstil (9. Ausg.)Soto, Gerardo J. Country Annual Report from Costa Rica (2011) to the International Commission on the History of Geological Sciences (INHIGEO). Universidad de Costa Rica, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.