National Flag Foundation. The new constellation: A periodic report to members. National Flag Foundation.
Citazione stile Chigago Style (17a edizione)National Flag Foundation. The New Constellation: A Periodic Report to Members. Pittsburgh, PA: National Flag Foundation.
Citatione MLA (8a ed.)National Flag Foundation. The New Constellation: A Periodic Report to Members. National Flag Foundation.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.