Harbison, F. (1967). Educational planning and human resources development. Unesco.
Lua i Stíl Chicago (17ú heag.)Harbison, F. Educational Planning and Human Resources Development. Unesco, 1967.
Lua MLA (8ú heag.)Harbison, F. Educational Planning and Human Resources Development. Unesco, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.