APA-referens (7:e uppl.)

Middlebrook, M. (1983). The Kaiser's Battle, 21 March 1918 - the first day of the German Spring Offensive. Middlesex: Penguin Books.

Chicago-referens (17:e uppl.)

Middlebrook, Martin. The Kaiser's Battle, 21 March 1918 - the First Day of the German Spring Offensive. Middlesex: Penguin Books, 1983.

MLA-referens (8:e uppl.)

Middlebrook, Martin. The Kaiser's Battle, 21 March 1918 - the First Day of the German Spring Offensive. Middlesex: Penguin Books, 1983.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.