COSTANTINO, M. (2001). THE ILLUSTRATED FLAG HANDBOOK. SILVERDALE BOOKS.
芝加哥风格引文COSTANTINO, MARIA. THE ILLUSTRATED FLAG HANDBOOK. ENGLAND: SILVERDALE BOOKS, 2001.
MLA引文COSTANTINO, MARIA. THE ILLUSTRATED FLAG HANDBOOK. SILVERDALE BOOKS, 2001.
警告：这些引文格式不一定是100％准确.