APA
McMahon R. . B. E. &. P. M., . (1980). On being in charge. World Health organization, Geneva: .
Chicago
McMahon Rosemary Barton Elizabeth & Plot Maurice, . 1980. On being in charge. World Health organization, Geneva: .
Harvard
McMahon R. . B. E. &. P. M., . (1980). On being in charge. World Health organization, Geneva: .
MLA
McMahon Rosemary Barton Elizabeth & Plot Maurice, . On being in charge. World Health organization, Geneva: . 1980.