Pfanzagl, J. (1968). Theory of measurement. John Wiley and Sons.
Tohutoru Kātū Chicago (17th ed.)Pfanzagl, J. Theory of Measurement. Nueva York: John Wiley and Sons, 1968.
Tohutoro MLA (9th ed.)Pfanzagl, J. Theory of Measurement. John Wiley and Sons, 1968.
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