Παραπομπή σε μορφή APA (7η εκδ.)

Christensen, O. (2010). Functions, Spaces, and Expansions: Mathematical Tools in Physics and Engineering. Springer Science+Business Media, LLC.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Christensen, Ole. Functions, Spaces, and Expansions: Mathematical Tools in Physics and Engineering. Boston: Springer Science+Business Media, LLC, 2010.

Παραπομπή σε μορφή MLA (8th εκδ.)

Christensen, Ole. Functions, Spaces, and Expansions: Mathematical Tools in Physics and Engineering. Springer Science+Business Media, LLC, 2010.