Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Grzybek, P. (2006). Contributions to the Science of Text and Language: Word Length Studies and Related Issues. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Peter Grzybek. Contributions to the Science of Text and Language: Word Length Studies and Related Issues. Dordrecht: Springer Netherlands, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Peter Grzybek. Contributions to the Science of Text and Language: Word Length Studies and Related Issues. Springer Netherlands, 2006.