Davies, P. C. W. (1986). The forces of nature (2nd ed.). Cambridge University Press.
Chicago Style aipamenaDavies, P. C. W. The Forces of Nature. 2nd ed. Cambridge [Cambridgeshire]: Cambridge University Press, 1986.
MLA aipamenaDavies, P. C. W. The Forces of Nature. 2nd ed. Cambridge University Press, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.