Ferro, A. A. (2011). "PHOTOELECTRIC PHOTOMETRY OF CEPHEIDS" BY MITCHELL ET AL. (1964): AN OVERVIEW OF ITS ASTROPHYSICAL RELEVANCE. Universidad Nacional Autónoma de México.
Citazione stile Chigago Style (17a edizione)Ferro, A. Arellano. "PHOTOELECTRIC PHOTOMETRY OF CEPHEIDS" BY MITCHELL ET AL. (1964): AN OVERVIEW OF ITS ASTROPHYSICAL RELEVANCE. Universidad Nacional Autónoma de México, 2011.
Citatione MLA (9a ed.)Ferro, A. Arellano. "PHOTOELECTRIC PHOTOMETRY OF CEPHEIDS" BY MITCHELL ET AL. (1964): AN OVERVIEW OF ITS ASTROPHYSICAL RELEVANCE. Universidad Nacional Autónoma de México, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.