Duke, I. (2004). The everything sign language book: American sigh language made easy. Adams Media.
Style de citation Chicago (17e éd.)Duke, Irene. The Everything Sign Language Book: American Sigh Language Made Easy. Avon, Mass: Adams Media, 2004.
Style de citation MLA (9e éd.)Duke, Irene. The Everything Sign Language Book: American Sigh Language Made Easy. Adams Media, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.