Payne-Gaposchkin, C., & Gaposchkin, S. (1952). Variable stars im Milton Fields 28 to 54. Annals of the Astronomical Observatory of Harvard College 115.
Dyfyniad Arddull ChicagoPayne-Gaposchkin, Cecilia, and Sergei Gaposchkin. "Variable Stars Im Milton Fields 28 to 54." Annals of the Astronomical Observatory of Harvard College 115 1952.
Dyfyniad MLAPayne-Gaposchkin, Cecilia, and Sergei Gaposchkin. "Variable Stars Im Milton Fields 28 to 54." Annals of the Astronomical Observatory of Harvard College 115 1952.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.