The Flag Institute. eFlags: The virtual flag magazine of the Flag Institute. The Flag Institute.
Chicago-Zitierstil (17. Ausg.)The Flag Institute. EFlags: The Virtual Flag Magazine of the Flag Institute. London: The Flag Institute.
MLA-Zitierstil (8. Ausg.)The Flag Institute. EFlags: The Virtual Flag Magazine of the Flag Institute. The Flag Institute.
警告：這些引文格式不一定是100％准確.