Speziale, H. J. S., & Carpenter, D. R. (2007). Qualitative research in nursing: Advancing the humanistic imperative (4th ed.). Lippincott Williams & Wilkins.
Chicago-viite (17. p.)Speziale, Helen J. Streubert, ja Dona Rinaldi Carpenter. Qualitative Research in Nursing: Advancing the Humanistic Imperative. 4th ed. Philadelphia: Lippincott Williams & Wilkins, 2007.
MLA-viite (9. p.)Speziale, Helen J. Streubert, ja Dona Rinaldi Carpenter. Qualitative Research in Nursing: Advancing the Humanistic Imperative. 4th ed. Lippincott Williams & Wilkins, 2007.
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