Cita APA (7th ed.)
ebrary, Inc, Mahdi, K. A., Würth, A., & Lackner, H. (2007). Yemen into the twenty-first century: Continuity and change. Ithaca Press.
Cita Chicago (17th ed.)
ebrary, Inc, Kamil A. Mahdi, Anna Würth, i Helen Lackner. Yemen into the Twenty-first Century: Continuity and Change. Reading, UK: Ithaca Press, 2007.
Cita MLA (9th ed.)
ebrary, Inc, et al. Yemen into the Twenty-first Century: Continuity and Change. Ithaca Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.