Swiggett, G. L. Astronomy, meteorology, and seismology.
Cita Chicago (17th ed.)Swiggett, Glen Levin. Astronomy, Meteorology, and Seismology.
Cita MLA (8th ed.)Swiggett, Glen Levin. Astronomy, Meteorology, and Seismology.
Atenció: Aquestes cites poden no estar 100% correctes.