Παραπομπή σε μορφή APA (7η εκδ.)

Wiley InterScience (Online service), Kovacic, I., & Brennan, M. J. (2011). The Duffing equation: Nonlinear oscillators and their phenomena. Wiley. https://doi.org/10.1002/9780470977859

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wiley InterScience (Online service), Ivana Kovacic, και Michael J. Brennan. The Duffing Equation: Nonlinear Oscillators and Their Phenomena. Chichester, West Sussex, U.K. ; Hoboken, N.J.: Wiley, 2011. https://doi.org/10.1002/9780470977859.

Παραπομπή σε μορφή MLA (8th εκδ.)

Wiley InterScience (Online service), et al. The Duffing Equation: Nonlinear Oscillators and Their Phenomena. Wiley, 2011. https://doi.org/10.1002/9780470977859.