APA
W.H.O, . (1977). Manual f the international statistical classification of diseases,injuries,and causes of death. World health organization, Geneva: .
Chicago
W.H.O, . 1977. Manual f the international statistical classification of diseases,injuries,and causes of death. World health organization, Geneva: .
Harvard
W.H.O, . (1977). Manual f the international statistical classification of diseases,injuries,and causes of death. World health organization, Geneva: .
MLA
W.H.O, . Manual f the international statistical classification of diseases,injuries,and causes of death. World health organization, Geneva: . 1977.