Trueue, W. (1975). Political partis of Germay From 19th Century to the Present. Verlag Ullstein.
استشهاد بنمط شيكاغوTrueue, Wolfgang. Political Partis of Germay From 19th Century to the Present. Frankfurt: Verlag Ullstein, 1975.
MLA استشهادTrueue, Wolfgang. Political Partis of Germay From 19th Century to the Present. Verlag Ullstein, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.