Jack Ng, Y., & Ng, Y. J. (1996). Julian Schwinger: The physicist, the teacher, and the man. Singapore: London.
استشهاد بنمط شيكاغوJack Ng, Y., و Yee Jack Ng. Julian Schwinger: The Physicist, the Teacher, and the Man. Singapore: London, 1996.
MLA استشهادJack Ng, Y., و Yee Jack Ng. Julian Schwinger: The Physicist, the Teacher, and the Man. Singapore: London, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.