Παραπομπή σε μορφή APA (7η εκδ.)

Gerber, A. S., & Green, D. P. S. Voting may be habit - forming: Evidence from a randomized field experiment /Yale Universidad. Department of Political Science.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gerber, Alan S., και Donal P. Shachar Green. Voting May Be Habit - Forming: Evidence from a Randomized Field Experiment /Yale Universidad. Department of Political Science.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gerber, Alan S., και Donal P. Shachar Green. Voting May Be Habit - Forming: Evidence from a Randomized Field Experiment /Yale Universidad. Department of Political Science.