Oswald Spring, U., & Oswald Spring, U. (2019). Úrsula Oswald Spring: Pioneer on Gender, Peace, Development, Environment, Food and Water: With a Foreword by Birgit Dechmann (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-94712-9
Παραπομπή σε μορφή Chicago (17η εκδ.)Oswald Spring, Úrsula, και Úrsula Oswald Spring. Úrsula Oswald Spring: Pioneer on Gender, Peace, Development, Environment, Food and Water: With a Foreword by Birgit Dechmann. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-94712-9.
Παραπομπή σε μορφή MLA (8th εκδ.)Oswald Spring, Úrsula, και Úrsula Oswald Spring. Úrsula Oswald Spring: Pioneer on Gender, Peace, Development, Environment, Food and Water: With a Foreword by Birgit Dechmann. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-94712-9.
