SpringerLink (Online service) & Valleriani, M. (2020). De sphaera of Johannes de Sacrobosco in the Early Modern Period: The Authors of the Commentaries (1st ed. 2020.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-30833-9
Lua i Stíl Chicago (17ú heag.)SpringerLink (Online service) agus Matteo Valleriani. De Sphaera of Johannes De Sacrobosco in the Early Modern Period: The Authors of the Commentaries. 1st ed. 2020. Cham: Springer International Publishing : Imprint: Springer, 2020. https://doi.org/10.1007/978-3-030-30833-9.
Lua MLA (9ú heag.)SpringerLink (Online service) agus Matteo Valleriani. De Sphaera of Johannes De Sacrobosco in the Early Modern Period: The Authors of the Commentaries. 1st ed. 2020. Springer International Publishing : Imprint: Springer, 2020. https://doi.org/10.1007/978-3-030-30833-9.