Cita APA (7a ed.)

Lewis, W. A. (1971). Economic aspects of quality in education. International Institute for Educational Planning.

Cita Chicago Style (17a ed.)

Lewis, W. Arthur. Economic Aspects of Quality in Education. Paris: International Institute for Educational Planning, 1971.

Cita MLA (9a ed.)

Lewis, W. Arthur. Economic Aspects of Quality in Education. International Institute for Educational Planning, 1971.