APA (7. basım) Alıntı

Gulliford, R., & Upton, G. (1992). Special educational needs. Routledge.

Chicago Style (17. basım) Atıf

Gulliford, Ronald, ve Graham Upton. Special Educational Needs. London: Routledge, 1992.

MLA (9th ed.) Atıf

Gulliford, Ronald, ve Graham Upton. Special Educational Needs. Routledge, 1992.