Gaya APA

Ellis, J, R., Hartley, C, L. (1992). NURSING IN TODAY'S WORLD: Challenges, Issues, and Trends (Ed 4). Philadelphia: J. B. Lippincott.

Gaya MLA

Ellis, Janice, R.., Hartley, Celia, L.. "NURSING IN TODAY'S WORLD: Challenges, Issues, and Trends". Ed 4 Philadelphia: J. B. Lippincott, 1992. Text.