McKinnon, K. (1973). Realistic educational planning. International Institute for Educational Planning.
Citazione stile Chigago Style (17a edizione)McKinnon, K.R. Realistic Educational Planning. Paris, Unesco: International Institute for Educational Planning, 1973.
Citatione MLA (9a ed.)McKinnon, K.R. Realistic Educational Planning. International Institute for Educational Planning, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.