BORICH G D. (1982). PROGRAMS & SYSTEMS.AN EVALUATION PERSPECTIVE. ACADEMIC PRESS.
Lua i Stíl Chicago (17ú heag.)BORICH G D. PROGRAMS & SYSTEMS.AN EVALUATION PERSPECTIVE. ORLANDO: ACADEMIC PRESS, 1982.
Lua MLA (9ú heag.)BORICH G D. PROGRAMS & SYSTEMS.AN EVALUATION PERSPECTIVE. ACADEMIC PRESS, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.