Powell, J., & Powell, J. (2019). From Cave Art to Hubble: A History of Astronomical Record Keeping (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-31688-4
Παραπομπή σε μορφή Chicago (17η εκδ.)Powell, Jonathan, και Jonathan Powell. From Cave Art to Hubble: A History of Astronomical Record Keeping. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-31688-4.
Παραπομπή σε μορφή MLA (8th εκδ.)Powell, Jonathan, και Jonathan Powell. From Cave Art to Hubble: A History of Astronomical Record Keeping. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-31688-4.
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