Παραπομπή σε μορφή APA (7η εκδ.)

Grignon, M. (2011). The Impact of Legalized Abortion on Crime, de John J. Donohue III et Steven D. Levitt, Berkeley Program in Law and Economics, Working Paper Series, 2000-18.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Grignon, Michel. The Impact of Legalized Abortion on Crime, De John J. Donohue III Et Steven D. Levitt, Berkeley Program in Law and Economics, Working Paper Series, 2000-18. 2011.

Παραπομπή σε μορφή MLA (8th εκδ.)

Grignon, Michel. The Impact of Legalized Abortion on Crime, De John J. Donohue III Et Steven D. Levitt, Berkeley Program in Law and Economics, Working Paper Series, 2000-18. 2011.