Παραπομπή σε μορφή APA (7η εκδ.)

Gray. Why Our Drug Laws Have Failed and What We Can Do About It. Temple University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gray. Why Our Drug Laws Have Failed and What We Can Do About It. Temple University Press.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gray. Why Our Drug Laws Have Failed and What We Can Do About It. Temple University Press.