Richards, M. D., & Waibel, P. R. (2014). Twentieth-century Europe: A brief history, 1900 to the present. Chichester, West Sussex, UK: Wiley Blackwell.
استشهاد بنمط شيكاغوRichards, Michael D., و Paul R. Waibel. Twentieth-century Europe: A Brief History, 1900 to the Present. Chichester, West Sussex, UK: Wiley Blackwell, 2014.
MLA استشهادRichards, Michael D., و Paul R. Waibel. Twentieth-century Europe: A Brief History, 1900 to the Present. Chichester, West Sussex, UK: Wiley Blackwell, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.