APA
Philip J. Barker, .Assesment in Psychatrict and Menta lhealth Nursing. United kingdom: .
Chicago
Philip J. Barker, .Assesment in Psychatrict and Menta lhealth Nursing. United kingdom: .
Harvard
Philip J. Barker, .Assesment in Psychatrict and Menta lhealth Nursing. United kingdom: .
MLA
Philip J. Barker, .United kingdom: . .