Lua APA (7ú heag.)

ebrary, Inc, & Dumont, G. A. (2010). Yemen: Background, issues and Al Qaeda role. Nova Science Publishers.

Lua i Stíl Chicago (17ú heag.)

ebrary, Inc, agus Gabriel A. Dumont. Yemen: Background, Issues and Al Qaeda Role. Hauppauge, N.Y.: Nova Science Publishers, 2010.

Lua MLA (9ú heag.)

ebrary, Inc, agus Gabriel A. Dumont. Yemen: Background, Issues and Al Qaeda Role. Nova Science Publishers, 2010.

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