Gaya APA
Ball, M, J. et al (2011).
Nursing Informatics :Where Technology and Caring Meet 4th ed. .
london:
Springer-Verlag.
Gaya MLA
Ball, Marion, J.. et al.
"Nursing Informatics :Where Technology and Caring Meet 4th ed.".
london:
Springer-Verlag,
2011.
Electronic Resource.