Gaya APA

Simpkins, C, A., Simpkins, A, M. (2002). Chung Do Kwan : the power tae kwon do . Boston: Tuttle Publishing.

Gaya MLA

Simpkins, C., Alexander., Simpkins, Annellen, M.. "Chung Do Kwan : the power tae kwon do". Boston: Tuttle Publishing, 2002. Text.