APA استشهاد

Bernstein, A. L., & Wells, D. W. (1963). Trouble shooting mathematics skills. Holt Rinchart&Winston.

استشهاد بنمط شيكاغو

Bernstein, Allen L., و David W. Wells. Trouble Shooting Mathematics Skills. N Y: Holt Rinchart&Winston, 1963.

MLA استشهاد

Bernstein, Allen L., و David W. Wells. Trouble Shooting Mathematics Skills. Holt Rinchart&Winston, 1963.