Goodlad, J. I., & Anderson, R. H. (1987). The nongraded elementary school (Rev. edition, Reissued with a new introd.). Teachers College, Columbia University.
Chicago-Zitierstil (17. Ausg.)Goodlad, John I., und Robert Henry Anderson. The Nongraded Elementary School. Rev. edition, Reissued with a new introd. New York: Teachers College, Columbia University, 1987.
MLA-Zitierstil (8. Ausg.)Goodlad, John I., und Robert Henry Anderson. The Nongraded Elementary School. Rev. edition, Reissued with a new introd. Teachers College, Columbia University, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.