Sumber:
- Your Life. Intrauterine Device. Tersedia di https://www.your-life.com/en/contraception-methods/long-acting-contraception/intrauterine-device/. Terakhir diakses: Agustus 2018 dengan perubahan.
- Intrauterine device (IUD) Your contraception guide. [Internet]. March 2021. Tersedia di https://www.nhs.uk/conditions/contraception/iud-coil/ . Terakhir diakses : Mei 2021.
- Birth Control and the IUD (Intrauterine Device). [Internet]. May 2018. Tersedia di https://www.webmd.com/sex/birth-control/iud-intrauterine-device#1 . Terakhir diakses : Mei 2021.
- Emergency Contraception FAQ. [Internet]. December 2020. Tersedia di https://www.webmd.com/sex/birth-control/faq-questions-emergency-contraception#2 . Terakhir diakses: Mei 2021
- Nova-T Product Information.2019
- Batar, I et al. Contraception 2002; 66:309-314.