Songonuga, O. .. (2019). Winning or losing the battle against cholera: What hope? University of Ife Press.
Chicago-referens (17:e uppl.)Songonuga, Olu .O. Winning or Losing the Battle Against Cholera: What Hope? University of Ife Press, 2019.
MLA-referens (9:e uppl.)Songonuga, Olu .O. Winning or Losing the Battle Against Cholera: What Hope? University of Ife Press, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.