Citazione Stile APA (7a Edizione)

Lewin, K. M. (1992). Science education in developing countries: Issues and perspectives for planners. International Institute for Educational Planning.

Citazione stile Chigago Style (17a edizione)

Lewin, Keith M. Science Education in Developing Countries: Issues and Perspectives for Planners. Paris: International Institute for Educational Planning, 1992.

Citatione MLA (9a ed.)

Lewin, Keith M. Science Education in Developing Countries: Issues and Perspectives for Planners. International Institute for Educational Planning, 1992.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.