APA-ийн эшлэл(7 дахь хэвлэлт)

Abdalla, I. F. (2012). Socioeconomic aspects of urban and peri-urban agriculture: A diagnostic study in Khartoum, Sudan. Kassel University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Abdalla, Ishtiag Faroug. Socioeconomic Aspects of Urban and Peri-urban Agriculture: A Diagnostic Study in Khartoum, Sudan. Kassel: Kassel University Press, 2012.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Abdalla, Ishtiag Faroug. Socioeconomic Aspects of Urban and Peri-urban Agriculture: A Diagnostic Study in Khartoum, Sudan. Kassel University Press, 2012.