APA-čujuhus (7. p.)
Helmstadter, C., & Godden, J. (2011). Nursing before Nightingale, 1815-1899. Ashgate Pub..
Chicago-čujuhus (17. p.)
Helmstadter, Carol, juo Judith Godden. Nursing Before Nightingale, 1815-1899. Farnham, England ; Burlington, Vt.: Ashgate Pub., 2011.
MLA-čujuhus (9. p.)
Helmstadter, Carol, juo Judith Godden. Nursing Before Nightingale, 1815-1899. Ashgate Pub., 2011.
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