Friedrichsen, M., & Mühl-Benninghaus, W. (2013). Handbook of Social Media Management: Value Chain and Business Models in Changing Media Markets (1st ed. 2013.). Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer.
استشهاد بنمط شيكاغوFriedrichsen, Mike., and Wolfgang Mühl-Benninghaus. Handbook of Social Media Management: Value Chain and Business Models in Changing Media Markets. 1st ed. 2013. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.
MLA استشهادFriedrichsen, Mike., and Wolfgang Mühl-Benninghaus. Handbook of Social Media Management: Value Chain and Business Models in Changing Media Markets. 1st ed. 2013. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.