Newton, R. G. (1993). What makes nature tick? Harvard University Press; Universities Press.
Chicago Style aipamenaNewton, Roger G. What Makes Nature Tick? Cambridge, Mass. : India: Harvard University Press; Universities Press, 1993.
MLA aipamenaNewton, Roger G. What Makes Nature Tick? Harvard University Press; Universities Press, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.