Παραπομπή APA

Hughes- Warrington. (2008). Fifty key thinkers on history. Routledge.

Παραπομπή Chicago Style

Hughes- Warrington. Fifty Key Thinkers on History. London: Routledge, 2008.

Παραπομπή MLA

Hughes- Warrington. Fifty Key Thinkers on History. Routledge, 2008.