Cita APA (7a ed.)
(1981). International journal of educational development. [Pergamon].
Cita Chicago Style (17a ed.)
International Journal of Educational Development. [Oxford]: [Pergamon], 1981.
Cita MLA (9a ed.)
International Journal of Educational Development. [Pergamon], 1981.
Precaución: Estas citas no son 100% exactas.