(1970). A universe of physics: A book of readings. John.
Chicago Style (17th ed.) ZitazioaA Universe of Physics: A Book of Readings. New York: John, 1970.
MLA (9th ed.) ZitazioaA Universe of Physics: A Book of Readings. John, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.