Richard P Feynman. (1992). The character of physical law. London: Penguin Books.
Chicago Style CitationRichard P Feynman. The Character of Physical Law. London: Penguin Books, 1992.
Cita MLARichard P Feynman. The Character of Physical Law. London: Penguin Books, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.