Cita APA (7a ed.)

Wells, B., & Stackhouse, J. (1993). Psycholinguistic assessment of developmental speech disoders. [s.n.].

Cita Chicago Style (17a ed.)

Wells, Bill, y Joy Stackhouse. Psycholinguistic Assessment of Developmental Speech Disoders. [S.l.]: [s.n.], 1993.

Cita MLA (9a ed.)

Wells, Bill, y Joy Stackhouse. Psycholinguistic Assessment of Developmental Speech Disoders. [s.n.], 1993.