Payne-Gaposchkin, C., & Gaposchkin, S. (1943). Variable stars and the sources of stellar energy. Reprints / The Astronomical Observatory of Harvard College : Series II 2.
Chicago-стиль цитированияPayne-Gaposchkin, Cecilia, and Sergei Gaposchkin. "Variable Stars and the Sources of Stellar Energy." Reprints / The Astronomical Observatory of Harvard College : Series II 2 1943.
MLA-цитированиеPayne-Gaposchkin, Cecilia, and Sergei Gaposchkin. "Variable Stars and the Sources of Stellar Energy." Reprints / The Astronomical Observatory of Harvard College : Series II 2 1943.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.