APA Style

Wilkie, Katharine E. (1986). Helen Keller : From Tragedy To Triumph . New York: Aladdin Paperbacks.

Chicago Style

Wilkie, Katharine E. Helen Keller : From Tragedy To Triumph. New York: Aladdin Paperbacks, 1986. Buku SMP Athalia.

MLA Style

Wilkie, Katharine E. Helen Keller : From Tragedy To Triumph. New York: Aladdin Paperbacks, 1986. Buku SMP Athalia.

Turabian Style

Wilkie, Katharine E. Helen Keller : From Tragedy To Triumph. New York: Aladdin Paperbacks, 1986. Buku SMP Athalia.