Gaya APA

Perrin, K, O., MacLeod, C, E. (2018). Understanding the Essentials of Critical Care Nursing (3). New York: Pearson.

Gaya MLA

Perrin, Kathleen, Ouimet., MacLeod, Carrie, Edgerly. "Understanding the Essentials of Critical Care Nursing". 3 New York: Pearson, 2018. Electronic Resource.