Purkey, W. W., Schmidt, J. J., & Novak, J. M. (2010). From conflict to conciliation: How to defuse difficult situations. Corwin.
Lua i Stíl Chicago (17ú heag.)Purkey, William W., John J. Schmidt, agus John M. Novak. From Conflict to Conciliation: How to Defuse Difficult Situations. Thousand Oaks, Calif: Corwin, 2010.
Lua MLA (9ú heag.)Purkey, William W., et al. From Conflict to Conciliation: How to Defuse Difficult Situations. Corwin, 2010.
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