Παραπομπή σε μορφή APA (7η εκδ.)

Kristensson, G. (2010). Second Order Differential Equations: Special Functions and Their Classification. Springer Science+Business Media, LLC.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kristensson, Gerhard. Second Order Differential Equations: Special Functions and Their Classification. New York, NY: Springer Science+Business Media, LLC, 2010.

Παραπομπή σε μορφή MLA (8th εκδ.)

Kristensson, Gerhard. Second Order Differential Equations: Special Functions and Their Classification. Springer Science+Business Media, LLC, 2010.