Lewis, J. J. (1972). Critical issues in education: A problem-solving guide for school administrators. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Lewis, James J. Critical Issues in Education: A Problem-solving Guide for School Administrators. Englewood Cliffs, N.J: Prentice-Hall, 1972.
Lua MLA (9ú heag.)Lewis, James J. Critical Issues in Education: A Problem-solving Guide for School Administrators. Prentice-Hall, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.