Gaya APA

Dash, Joan. (2001). The World at Her Fingertips : The Story of Helen Keller / Joan Dash . New York: Scholastic.

Gaya Chicago

Dash, Joan. The World at Her Fingertips : The Story of Helen Keller / Joan Dash. New York: Scholastic, 2001. English Corner.

Gaya MLA

Dash, Joan. The World at Her Fingertips : The Story of Helen Keller / Joan Dash. New York: Scholastic, 2001. English Corner.

Gaya Turabian

Dash, Joan. The World at Her Fingertips : The Story of Helen Keller / Joan Dash. New York: Scholastic, 2001. English Corner.