North American Vexillological Association. NAVA members directory. North American Vexillological Association.
Citazione stile Chigago Style (17a edizione)North American Vexillological Association. NAVA Members Directory. Trenton, New Jersey: North American Vexillological Association.
Citatione MLA (8a ed.)North American Vexillological Association. NAVA Members Directory. North American Vexillological Association.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.