APA
(1979). The Medical Clinics of North America. USA: W.B Saunders Company.
Chicago
1979. The Medical Clinics of North America. USA: W.B Saunders Company.
Harvard
(1979). The Medical Clinics of North America. USA: W.B Saunders Company.
MLA
The Medical Clinics of North America. USA: W.B Saunders Company. 1979.