North American Vexillological Association. NAVA yearbook. North American Vexillological Association.
Chicago-Zitierstil (17. Ausg.)North American Vexillological Association. NAVA Yearbook. Winchester, Massachusetts: North American Vexillological Association.
MLA-Zitierstil (8. Ausg.)North American Vexillological Association. NAVA Yearbook. North American Vexillological Association.
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