Smith, D. E., & Wesson, D. R. (1973). Uppers and downers. Prentice Hall.
Chicago Style aipamenaSmith, David E., and Donald R. Wesson. Uppers and Downers. Englewood Cliffs, N.J.: Prentice Hall, 1973.
MLA aipamenaSmith, David E., and Donald R. Wesson. Uppers and Downers. Prentice Hall, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.