Παραπομπή APA

Husen, T., & Postlethwaite, T. N. The international encyclopaedia of education (Ed.2.).

Παραπομπή Chicago Style

Husen, Torsten, και T Neville Postlethwaite. The International Encyclopaedia of Education. Ed.2. New York, Elsevier Science.

Παραπομπή MLA

Husen, Torsten, και T Neville Postlethwaite. The International Encyclopaedia of Education. Ed.2.