Rose, A. (2003). Kings in the North: The House of Percy in British history. Phoenix.
Citazione stile Chigago Style (17a edizione)Rose, Alexander. Kings in the North: The House of Percy in British History. London: Phoenix, 2003.
Citatione MLA (9a ed.)Rose, Alexander. Kings in the North: The House of Percy in British History. Phoenix, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.