<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Mohammad, Saif / Kiritchenko, Svetlana / Zhu, Xiaodan / Martinet, Joel</hi> (2015): „Sentiment, Emotion, Purpose, and Style in Electoral Tweets“, in: <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Information Processing & Management, </hi>51:4, 480–499.