Cita APA (7th ed.)
Singh, N. R. (2012). Nursing: The ultimate study guide. Springer.
Cita Chicago (17th ed.)
Singh, Nadia R. Nursing: The Ultimate Study Guide. New York: Springer, 2012.
Cita MLA (9th ed.)
Singh, Nadia R. Nursing: The Ultimate Study Guide. Springer, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.