Joyce, T., & Kaestner, R. (1995). State reproductive policies and adolescent pregnancy resolution: The case of parental involvment laws. National Bureau of Economic Research.
Παραπομπή σε μορφή Chicago (17η εκδ.)Joyce, Theodore, και Robert Kaestner. State Reproductive Policies and Adolescent Pregnancy Resolution: The Case of Parental Involvment Laws. Cambridge: National Bureau of Economic Research, 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)Joyce, Theodore, και Robert Kaestner. State Reproductive Policies and Adolescent Pregnancy Resolution: The Case of Parental Involvment Laws. National Bureau of Economic Research, 1995.
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