Cita APA (7th ed.)

Ross, A. R., & Lewin, K. (1992). Science kits in developing countries: An appraisal of potential. International Institute for Educational Planning.

Cita Chicago (17th ed.)

Ross, Angus R., i Keith Lewin. Science Kits in Developing Countries: An Appraisal of Potential. Paris: International Institute for Educational Planning, 1992.

Cita MLA (9th ed.)

Ross, Angus R., i Keith Lewin. Science Kits in Developing Countries: An Appraisal of Potential. International Institute for Educational Planning, 1992.