Bragg, W. (1933). The Universe of Light. New York: Dover Publicatrions.
Trích dẫn kiểu ChicagoBragg, William. The Universe of Light. New York: Dover Publicatrions, 1933.
ציטוט MLABragg, William. The Universe of Light. New York: Dover Publicatrions, 1933.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.