Pederson, C. F., Bedells, J., & Peterson, W. (1971). The international Flag Book in color. Morrow.
Cita Chicago (17th ed.)Pederson, Christian Fogd, John Bedells, i Wilhelm Peterson. The International Flag Book in Color. New York: Morrow, 1971.
Cita MLA (8th ed.)Pederson, Christian Fogd, et al. The International Flag Book in Color. Morrow, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.