Kelley, D., Page, K., Quiroga, D., & Salazar, R. (2019). In the Footsteps of Darwin: Geoheritage, Geotourism and Conservation in the Galapagos Islands (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-05915-6
Παραπομπή σε μορφή Chicago (17η εκδ.)Kelley, Daniel, Kevin Page, Diego Quiroga, και Raul Salazar. In the Footsteps of Darwin: Geoheritage, Geotourism and Conservation in the Galapagos Islands. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-05915-6.
Παραπομπή σε μορφή MLA (8th εκδ.)Kelley, Daniel, et al. In the Footsteps of Darwin: Geoheritage, Geotourism and Conservation in the Galapagos Islands. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-05915-6.
