Pfanzagl, J. (1968). Theory of measurement. John Wiley and Sons.
Chicago Style (17th ed.) ZitazioaPfanzagl, J. Theory of Measurement. Nueva York: John Wiley and Sons, 1968.
MLA (9th ed.) ZitazioaPfanzagl, J. Theory of Measurement. John Wiley and Sons, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.