Barker, S. F., Seman, C., & Lee, J. (1986). Basics of logic. Seogwangsa Temple.

Barker, Stephen Francis, Choi Seman, and Jaehee Lee. Basics of Logic. Paju, Korean: Seogwangsa Temple, 1986.

Barker, Stephen Francis, et al. Basics of Logic. Seogwangsa Temple, 1986.