Walton, W. T., Rosenqvist, J., & Sandling, I. (1989). A comparative study of special education contrasting Denmark, Sweden, and the United States of America. School of Education.
Chicago-Zitierstil (17. Ausg.)Walton, W. T., Jerry Rosenqvist, und Ingvar Sandling. A Comparative Study of Special Education Contrasting Denmark, Sweden, and the United States of America. Malmö: School of Education, 1989.
MLA-Zitierstil (9. Ausg.)Walton, W. T., et al. A Comparative Study of Special Education Contrasting Denmark, Sweden, and the United States of America. School of Education, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.