Flag Research Center (Winchester, Mass.). Flag information sources: A supplement to The flag bulletin / published by the Flag Research Center. The Flag Research Center.
Cita Chicago (17th ed.)Flag Research Center (Winchester, Mass.). Flag Information Sources: A Supplement to The Flag Bulletin / Published by the Flag Research Center. Winchester, Mass.: The Flag Research Center.
Cita MLA (8th ed.)Flag Research Center (Winchester, Mass.). Flag Information Sources: A Supplement to The Flag Bulletin / Published by the Flag Research Center. The Flag Research Center.
Atenció: Aquestes cites poden no estar 100% correctes.