Cita APA (7th ed.)

Sternberg, R. J., & Spear-Swerling, L. (1999). Perspectives on learning disabilities: Biological, cognitive, contextual. Westview Press.

Cita Chicago (17th ed.)

Sternberg, Robert J., i Louise Spear-Swerling. Perspectives on Learning Disabilities: Biological, Cognitive, Contextual. Boulder, Colo.: Westview Press, 1999.

Cita MLA (9th ed.)

Sternberg, Robert J., i Louise Spear-Swerling. Perspectives on Learning Disabilities: Biological, Cognitive, Contextual. Westview Press, 1999.