Cita APA (7a ed.)

Harpur, P., & Loudoun, R. (2011). The Barrier of the Written Word: Analysing Universities' Policies to Students with Print Disabilities.

Cita Chicago Style (17a ed.)

Harpur, Paul, y Rebecca Loudoun. The Barrier of the Written Word: Analysing Universities' Policies to Students with Print Disabilities. 2011.

Cita MLA (9a ed.)

Harpur, Paul, y Rebecca Loudoun. The Barrier of the Written Word: Analysing Universities' Policies to Students with Print Disabilities. 2011.