Παραπομπή σε μορφή APA (7η εκδ.)

Nordahl, M. G. (1988). Discrete dynamical systems. Department of Theoretical Physics, Chalmers tekniska högskola.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nordahl, Mats G. Discrete Dynamical Systems. Göteborg, Sweden: Department of Theoretical Physics, Chalmers tekniska högskola, 1988.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nordahl, Mats G. Discrete Dynamical Systems. Department of Theoretical Physics, Chalmers tekniska högskola, 1988.