Flag Research Center (Winchester, Mass.). (1964). The flag bulletin. The Flag Research Center.
Chicago-Zitierstil (17. Ausg.)Flag Research Center (Winchester, Mass.). The Flag Bulletin. Winchester, Mass.: The Flag Research Center, 1964.
MLA-Zitierstil (8. Ausg.)Flag Research Center (Winchester, Mass.). The Flag Bulletin. The Flag Research Center, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.