Lua APA (7ú heag.)
ebrary, Inc, Smith, M. J., & Liehr, P. R. (2014). Middle range theory for nursing (3rd ed.). Springer Pub. Co..
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Mary Jane Smith, agus Patricia R. Liehr. Middle Range Theory for Nursing. 3rd ed. New York: Springer Pub. Co., 2014.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Middle Range Theory for Nursing. 3rd ed. Springer Pub. Co., 2014.
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