Cummings, W. K. (1986). Low-cost primary education: Implementing an innovation in six nations. International Development Research Centre.
Lua i Stíl Chicago (17ú heag.)Cummings, William K. Low-cost Primary Education: Implementing an Innovation in Six Nations. Ottawa, Ont., Canada: International Development Research Centre, 1986.
Lua MLA (8ú heag.)Cummings, William K. Low-cost Primary Education: Implementing an Innovation in Six Nations. International Development Research Centre, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.