Gaya APA

Gerrard, Y, H, P, Y, H, P, A, , J. (2009). Tae Kwon Do: The Ultimate Reference Guide to the World’s Most Popular Martial Art (Cet. 1). New York: Infobase Publishing.

Gaya MLA

Gerrard, Yeon, Hee, Park,, Yeon, Hwan, Park,, And, , Jon. "Tae Kwon Do: The Ultimate Reference Guide to the World’s Most Popular Martial Art". Cet. 1 New York: Infobase Publishing, 2009. Text.