Telford, C. W., & Sawrey, J. M. (1972). The exceptional individual (2nd ed.). Prentice-Hall.
Chicago Style aipamenaTelford, Charles W., and James M. Sawrey. The Exceptional Individual. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1972.
MLA aipamenaTelford, Charles W., and James M. Sawrey. The Exceptional Individual. 2nd ed. Prentice-Hall, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.