Ross, A. R., & Lewin, K. (1992). Science kits in developing countries: An appraisal of potential. International Institute for Educational Planning.
Citazione stile Chigago Style (17a edizione)Ross, Angus R., e Keith Lewin. Science Kits in Developing Countries: An Appraisal of Potential. Paris: International Institute for Educational Planning, 1992.
Citatione MLA (9a ed.)Ross, Angus R., e Keith Lewin. Science Kits in Developing Countries: An Appraisal of Potential. International Institute for Educational Planning, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.