Duncan, E. R. (2012). A Role for the University of Ife in Increasing Agricultural Production. Obafemi Awolowo University Press.
Chicago-čujuhus (17. p.)Duncan, E. R. A Role for the University of Ife in Increasing Agricultural Production. Obafemi Awolowo University Press, 2012.
MLA-čujuhus (9. p.)Duncan, E. R. A Role for the University of Ife in Increasing Agricultural Production. Obafemi Awolowo University Press, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.