National Association of Secondary School Principals (U.S.) & Arth, A. A. (1988). Assessing excellence: A guide for studying the middle level school. National Association of Secondary School Principals.
Style de citation Chicago (17e éd.)National Association of Secondary School Principals (U.S.) et Alfred A. Arth. Assessing Excellence: A Guide for Studying the Middle Level School. Reston, Va: National Association of Secondary School Principals, 1988.
Style de citation MLA (9e éd.)National Association of Secondary School Principals (U.S.) et Alfred A. Arth. Assessing Excellence: A Guide for Studying the Middle Level School. National Association of Secondary School Principals, 1988.
Attention : ces citations peuvent ne pas être correctes à 100%.