NHS UK. https://www.nhs.uk/conditions/pregnancy-and-baby/stretch-marks-pregnant/
Diakses pada 4 Mei 2019American Pregnancy. https://americanpregnancy.org/your-pregnancy/are-pregnancy-stretchmarks-different/
Diakses pada 4 Mei 2019Web MD. https://www.webmd.com/baby/features/stretch-marks
Diakses pada 4 Mei 2019What to Expect. https://www.whattoexpect.com/pregnancy/symptoms-and-solutions/stretch-marks.aspx
Diakses pada 4 Mei 2019