SpringerLink (Online service), Quesada, C., & Oliveira, J. T. (2019). The Geology of Iberia: A Geodynamic Approach: Volume 2: The Variscan Cycle (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-10519-8
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Cecilio Quesada, και José Tomás Oliveira. The Geology of Iberia: A Geodynamic Approach: Volume 2: The Variscan Cycle. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-10519-8.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. The Geology of Iberia: A Geodynamic Approach: Volume 2: The Variscan Cycle. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-10519-8.