Oswalt. (2013). Planets, Stars and Stellar Systems (1.). Springer Netherlands.
Cita Chicago (17th ed.)Oswalt. Planets, Stars and Stellar Systems. 1. Springer Netherlands, 2013.
Cita MLA (8th ed.)Oswalt. Planets, Stars and Stellar Systems. 1. Springer Netherlands, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.