Pfeiffer, J. W., Heslin, R., & Jones, J. E. (1976). Instrumentation in human relations training: A guide to 92 instruments with wide application to the behavioral sciences (2nd ed.). University Associates.
Citace podle Chicago (17th ed.)Pfeiffer, J. William, Richard Heslin, a John E. Jones. Instrumentation in Human Relations Training: A Guide to 92 Instruments with Wide Application to the Behavioral Sciences. 2nd ed. La Jolla, Calif: University Associates, 1976.
Citace podle MLA (9th ed.)Pfeiffer, J. William, et al. Instrumentation in Human Relations Training: A Guide to 92 Instruments with Wide Application to the Behavioral Sciences. 2nd ed. University Associates, 1976.
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