Manchester, W. (1968). The arms of Krupp 1587-1968. London: Michael Joshep.
Trích dẫn kiểu ChicagoManchester, William. The Arms of Krupp 1587-1968. London: Michael Joshep, 1968.
MLA引文Manchester, William. The Arms of Krupp 1587-1968. London: Michael Joshep, 1968.
警告：這些引文格式不一定是100％准確.