Feynman, R. P. (1992). The character of physical law. London: Penguin.
Trích dẫn kiểu ChicagoFeynman, Richard P. The Character of Physical Law. London: Penguin, 1992.
MLA引文Feynman, Richard P. The Character of Physical Law. London: Penguin, 1992.
警告:這些引文格式不一定是100%准確.