Durrani, O. Non-verbal communication in Robert Schneider's novel "Schlafes Bruder": Osman Durrani. Contemporary German writers, their aesthetics and their language.(1996).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Durrani, Osman. "Non-verbal Communication in Robert Schneider's Novel "Schlafes Bruder": Osman Durrani." Contemporary German Writers, Their Aesthetics and Their Language.(1996) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Durrani, Osman. "Non-verbal Communication in Robert Schneider's Novel "Schlafes Bruder": Osman Durrani." Contemporary German Writers, Their Aesthetics and Their Language.(1996), .
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.