APA
(2013). Monthly Index of Medical Specialities. 33(9-10). 2. : .
Chicago
2013. Monthly Index of Medical Specialities. 33(9-10). 2. : .
Harvard
(2013). Monthly Index of Medical Specialities. 33(9-10). 2. : .
MLA
Monthly Index of Medical Specialities. 33(9-10). 2. : . 2013.