Duke, I. (2004). The everything sign language book: American sigh language made easy. Adams Media.
Chicagoスタイル(17版)引用形式Duke, Irene. The Everything Sign Language Book: American Sigh Language Made Easy. Avon, Mass: Adams Media, 2004.
MLA(9版)引用形式Duke, Irene. The Everything Sign Language Book: American Sigh Language Made Easy. Adams Media, 2004.
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