Peters, N. R. (1989). The Graue Familie: A history of the Graue family of the Kingdom of Hannover. Gateway [in Komm.].
Chicago-Zitierstil (17. Ausg.)Peters, Norman Ralph. The Graue Familie: A History of the Graue Family of the Kingdom of Hannover. Baltimore: Gateway [in Komm.], 1989.
MLA-Zitierstil (8. Ausg.)Peters, Norman Ralph. The Graue Familie: A History of the Graue Family of the Kingdom of Hannover. Gateway [in Komm.], 1989.
警告：這些引文格式不一定是100％准確.