APA-viite (7. p.)
Roy, C. (2014). Generating middle range theory: From evidence to practice. Springer Publishing Company.
Chicago-viite (17. p.)
Roy, Callista. Generating Middle Range Theory: From Evidence to Practice. New York: Springer Publishing Company, 2014.
MLA-viite (9. p.)
Roy, Callista. Generating Middle Range Theory: From Evidence to Practice. Springer Publishing Company, 2014.
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