AYUBA, I. G. U. (2009). Essentials of population studies in urban and regional planning practice. Umahi Publishers.
Chicago-čujuhus (17. p.)AYUBA, Ijeoma Georgiana Umahi. Essentials of Population Studies in Urban and Regional Planning Practice. Umahi Publishers, 2009.
MLA-čujuhus (9. p.)AYUBA, Ijeoma Georgiana Umahi. Essentials of Population Studies in Urban and Regional Planning Practice. Umahi Publishers, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.