McKinnon, K. (1973). Realistic educational planning. International Institute for Educational Planning.
Lua i Stíl Chicago (17ú heag.)McKinnon, K.R. Realistic Educational Planning. Paris, Unesco: International Institute for Educational Planning, 1973.
Lua MLA (9ú heag.)McKinnon, K.R. Realistic Educational Planning. International Institute for Educational Planning, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.