Preskill, H. S., Russ-Eft, D. F., & Sleezer, C. (1997). Human resource development review: Research and implications. Sage.
Lua i Stíl Chicago (17ú heag.)Preskill, Hallie S., Darlene F. Russ-Eft, agus Catherine Sleezer. Human Resource Development Review: Research and Implications. Thousand Oaks, Calif: Sage, 1997.
Lua MLA (9ú heag.)Preskill, Hallie S., et al. Human Resource Development Review: Research and Implications. Sage, 1997.
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