APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Mahdi, K. A., Würth, A., & Lackner, H. (2007). Yemen into the twenty-first century: Continuity and change. Ithaca Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, Kamil A. Mahdi, Anna Würth, ба Helen Lackner. Yemen into the Twenty-first Century: Continuity and Change. Reading, UK: Ithaca Press, 2007.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. Yemen into the Twenty-first Century: Continuity and Change. Ithaca Press, 2007.