APA استشهاد

Barbeau,Edward J. (2011). Pell's equations. Springer.

استشهاد بنمط شيكاغو

Barbeau,Edward J. Pell's Equations. New Delhi: Springer, 2011.

MLA استشهاد

Barbeau,Edward J. Pell's Equations. Springer, 2011.