Παραπομπή σε μορφή APA (7η εκδ.)

Porter, D., & Stirling, D. S. G. (1990). Integral equations: A practical treatment, from spectral theory to applications. Cambridge University press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Porter, David, και David S. G. Stirling. Integral Equations: A Practical Treatment, from Spectral Theory to Applications. Cambridge: Cambridge University press, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Porter, David, και David S. G. Stirling. Integral Equations: A Practical Treatment, from Spectral Theory to Applications. Cambridge University press, 1990.