Jordan, C. (1997). Cool giants and supergiants: Chromospheres and winds.
Cita Chicago (17th ed.)Jordan, C. Cool Giants and Supergiants: Chromospheres and Winds. 1997.
Cita MLA (9th ed.)Jordan, C. Cool Giants and Supergiants: Chromospheres and Winds. 1997.
Atenció: Aquestes cites poden no estar 100% correctes.