Cita APA (7a ed.)

Postlethwaite, T. N., & Husen, T. (1990). The International encyclopedia of education: Research and studies supplementary, vol. 2. Pergamon.

Cita Chicago Style (17a ed.)

Postlethwaite, T. Neville, y T. Husen. The International Encyclopedia of Education: Research and Studies Supplementary, Vol. 2. Oxford: Pergamon, 1990.

Cita MLA (9a ed.)

Postlethwaite, T. Neville, y T. Husen. The International Encyclopedia of Education: Research and Studies Supplementary, Vol. 2. Pergamon, 1990.