Gaya APA

Sofjan, A. (2009). Essentials of Critical Care Nursing : holistic approach 9th ed. 2009 (-9). Philadelphia: Lippincott illiams & alkins.

Gaya MLA

Sofjan, A.. Essentials of Critical Care Nursing : holistic approach 9th ed. 2009. -9 Philadelphia: Lippincott illiams & alkins, 2009. Ebook.