Joyce, T., & Kaestner, R. (1995). State reproductive policies and adolescent pregnancy resolution: The case of parental involvment laws. National Bureau of Economic Research.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিJoyce, Theodore, এবং Robert Kaestner. State Reproductive Policies and Adolescent Pregnancy Resolution: The Case of Parental Involvment Laws. Cambridge: National Bureau of Economic Research, 1995.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিJoyce, Theodore, এবং 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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