AYUBA, I. G. U. (2009). Essentials of population studies in urban and regional planning practice. Umahi Publishers.
Čikaški stil citiranja (17. izdanje)AYUBA, Ijeoma Georgiana Umahi. Essentials of Population Studies in Urban and Regional Planning Practice. Umahi Publishers, 2009.
MLA način citiranja (9. izdanje)AYUBA, Ijeoma Georgiana Umahi. Essentials of Population Studies in Urban and Regional Planning Practice. Umahi Publishers, 2009.
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