Stein, F., & Grohmann, W. (1961). Deutsche portraits =: Portraits allemands = German portraits. Stuttgart: Battenberg E..
استشهاد بنمط شيكاغوStein, Fred, و Will Grohmann. Deutsche Portraits =: Portraits Allemands = German Portraits. Stuttgart: Battenberg E., 1961.
MLA استشهادStein, Fred, و Will Grohmann. Deutsche Portraits =: Portraits Allemands = German Portraits. Stuttgart: Battenberg E., 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.