Παραπομπή σε μορφή APA (7η εκδ.)

Askey, R., & Ismail, M. (1984). Recurrence relations, continued fractions, and orthogonal polynomials. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Askey, Richard, και Mourad Ismail. Recurrence Relations, Continued Fractions, and Orthogonal Polynomials. Providence, R.I., USA: American Mathematical Society, 1984.

Παραπομπή σε μορφή MLA (9th εκδ.)

Askey, Richard, και Mourad Ismail. Recurrence Relations, Continued Fractions, and Orthogonal Polynomials. American Mathematical Society, 1984.