Cita APA (7th ed.)

Park, Y. H., Park, Y. H., & Gerrard, J. (2009). Tae kwon do: The ultimate reference to the world's most popular martial art (3rd ed.). Facts On File.

Cita Chicago (17th ed.)

Park, Yeon Hee, Yeon Hwan Park, i Jon Gerrard. Tae Kwon Do: The Ultimate Reference to the World's Most Popular Martial Art. 3rd ed. New York: Facts On File, 2009.

Cita MLA (9th ed.)

Park, Yeon Hee, et al. Tae Kwon Do: The Ultimate Reference to the World's Most Popular Martial Art. 3rd ed. Facts On File, 2009.