Cita APA (7th ed.)

Johnson Barker, B., & Carpenter, C. (2009). The complete guide to flags of the world. New Holland.

Cita Chicago (17th ed.)

Johnson Barker, Brian, i Clive Carpenter. The Complete Guide to Flags of the World. London: New Holland, 2009.

Cita MLA (9th ed.)

Johnson Barker, Brian, i Clive Carpenter. The Complete Guide to Flags of the World. New Holland, 2009.