Wistar, R. (1963). Man and his physical universe (2d ed.). Wiley.
Chicago Style aipamenaWistar, Richard. Man and His Physical Universe. 2d ed. New York: Wiley, 1963.
MLA aipamenaWistar, Richard. Man and His Physical Universe. 2d ed. Wiley, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.