Cita APA

Gearheart, B. R. 1., & Litton, F. W. 1. (1979). The trainable retarded: A foundations approach. St Louis: C.V. Mosby.

Citación estilo Chicago

Gearheart, Bill Ray 1928-, y Freddie W. 1946- Litton. The Trainable Retarded: A Foundations Approach. St Louis: C.V. Mosby, 1979.

Cita MLA

Gearheart, Bill Ray 1928-, y Freddie W. 1946- Litton. The Trainable Retarded: A Foundations Approach. St Louis: C.V. Mosby, 1979.