Abdalla, I. F. (2012). Socioeconomic aspects of urban and peri-urban agriculture: A diagnostic study in Khartoum, Sudan. Kassel University Press.
Chicago-referens (17:e uppl.)Abdalla, Ishtiag Faroug. Socioeconomic Aspects of Urban and Peri-urban Agriculture: A Diagnostic Study in Khartoum, Sudan. Kassel: Kassel University Press, 2012.
MLA-referens (9:e uppl.)Abdalla, Ishtiag Faroug. Socioeconomic Aspects of Urban and Peri-urban Agriculture: A Diagnostic Study in Khartoum, Sudan. Kassel University Press, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.