NELSON, J. L., PALONSKY, S. B., & CARLS, K. (1990). Critical issues in education. McGraw-Hill.

NELSON, Jack L., Stuart B. PALONSKY, and Kenneth CARLS. Critical Issues in Education. New York: McGraw-Hill, 1990.

NELSON, Jack L., et al. Critical Issues in Education. McGraw-Hill, 1990.