Gaya APA

porche, R, A. (2008). Medication Use: A System Approach to Reducing Errors (2nd. ed). Illinois: The Joint Commission on Accreditation of Healthcare Organization.

Gaya MLA

porche, Robert, A. "Medication Use: A System Approach to Reducing Errors". 2nd. ed Illinois: The Joint Commission on Accreditation of Healthcare Organization, 2008. Text.