Songonuga, O. .. (2019). Winning or losing the battle against cholera: What hope? University of Ife Press.
Chicago-čujuhus (17. p.)Songonuga, Olu .O. Winning or Losing the Battle Against Cholera: What Hope? University of Ife Press, 2019.
MLA-čujuhus (9. p.)Songonuga, Olu .O. Winning or Losing the Battle Against Cholera: What Hope? University of Ife Press, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.