Gary Sheffield, of the Defence Studies Department of King's College London/JSCSC quoted J F C Fuller's 1923 definition of doctrine as the "central idea of an army".
Gary Sheffield, de la Departamentul de Studii de Apărare al King's College London / JSCSC, a citat o definiție a doctrinei lui JF C Fuller din 1923 drept „ideea centrală a unei armate”.