Cita APA

Blackstone, S. W. (1986). Augmentative communication: An introduction. American Speech language hearing Association.

Chicago Edition Citation

Blackstone, Sarah W. Augmentative Communication: An Introduction. Maryland: American Speech language hearing Association, 1986.

Cita MLA

Blackstone, Sarah W. Augmentative Communication: An Introduction. American Speech language hearing Association, 1986.