(1966). Decision making and the elementary school principal / Department of Elementary School Principals, National Education Association ; [prepared for the Department by: William L. Pharis, Jack D. Roberts, Richard Wynn].
Lua i Stíl Chicago (17ú heag.)Decision Making and the Elementary School Principal / Department of Elementary School Principals, National Education Association ; [prepared for the Department by: William L. Pharis, Jack D. Roberts, Richard Wynn]. 1966.
Lua MLA (9ú heag.)Decision Making and the Elementary School Principal / Department of Elementary School Principals, National Education Association ; [prepared for the Department by: William L. Pharis, Jack D. Roberts, Richard Wynn]. 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.