Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Guia, M. J. (2015). The Illegal Business of Human Trafficking. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Maria João Guia. The Illegal Business of Human Trafficking. Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Maria João Guia. The Illegal Business of Human Trafficking. Springer International Publishing : Imprint: Springer, 2015.