Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Korenkov, M., Germer, C., & Lang, H. (2017). Gastrointestinal Operations and Technical Variations. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Michael Korenkov, Christoph-Thomas Germer, και Hauke Lang. Gastrointestinal Operations and Technical Variations. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2017.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Gastrointestinal Operations and Technical Variations. Springer Berlin Heidelberg : Imprint: Springer, 2017.