Feynman, R. P. (1965). The character of physical law. M.I.T.
Chicago Style (17th ed.) ZitazioaFeynman, Richard Phillips. The Character of Physical Law. Boston: M.I.T, 1965.
MLA (9th ed.) ZitazioaFeynman, Richard Phillips. The Character of Physical Law. M.I.T, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.