Müller, M. M. (2015). A Spectre is Haunting Arabia: How the Germans Brought Their Communism to Yemen. transcript Verlag.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMüller, Miriam M. A Spectre Is Haunting Arabia: How the Germans Brought Their Communism to Yemen. Bielefeld, Germany: transcript Verlag, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMüller, Miriam M. A Spectre Is Haunting Arabia: How the Germans Brought Their Communism to Yemen. transcript Verlag, 2015.
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