APA-viite (7. p.)
Barnum, B. S. (2011). Spirituality in nursing: The challenges of complexity (3rd ed.). Springer.
Chicago-viite (17. p.)
Barnum, Barbara Stevens. Spirituality in Nursing: The Challenges of Complexity. 3rd ed. New York: Springer, 2011.
MLA-viite (9. p.)
Barnum, Barbara Stevens. Spirituality in Nursing: The Challenges of Complexity. 3rd ed. Springer, 2011.
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