SpringerLink (Online service), Oswalt, T. D., & Gilmore, G. (2013). Planets, Stars and Stellar Systems: Volume 5: Galactic Structure and Stellar Populations. Springer Netherlands : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Terry D. Oswalt, και Gerard Gilmore. Planets, Stars and Stellar Systems: Volume 5: Galactic Structure and Stellar Populations. Dordrecht: Springer Netherlands : Imprint: Springer, 2013.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Planets, Stars and Stellar Systems: Volume 5: Galactic Structure and Stellar Populations. Springer Netherlands : Imprint: Springer, 2013.
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