Cita APA (7th ed.)

The Flag Research Center Lexington. (1971). Flags of all nations. Brown & Ferguson.

Cita Chicago (17th ed.)

The Flag Research Center Lexington. Flags of All Nations. Glasgow: Brown & Ferguson, 1971.

Cita MLA (8th ed.)

The Flag Research Center Lexington. Flags of All Nations. Brown & Ferguson, 1971.

Atenció: Aquestes cites poden no estar 100% correctes.