Afflerbach, H. (2015). The purpose of the first World War: War aims and military strategies. De Gruyter Oldenbourg.
Citazione stile Chigago Style (17a edizione)Afflerbach, Holger. The Purpose of the First World War: War Aims and Military Strategies. Berlin, Germany: De Gruyter Oldenbourg, 2015.
Citatione MLA (9a ed.)Afflerbach, Holger. The Purpose of the First World War: War Aims and Military Strategies. De Gruyter Oldenbourg, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.