Παραπομπή σε μορφή APA (7η εκδ.)

Nikishin, E. M., & Sorokin, V. N. (1991). Rational approximations and orthogonality. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nikishin, E. M., και V. N. Sorokin. Rational Approximations and Orthogonality. Providence, RI: American Mathematical Society, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nikishin, E. M., και V. N. Sorokin. Rational Approximations and Orthogonality. American Mathematical Society, 1991.