Healthline. https://www.healthline.com/health/pregnancy/folic-acid#foods-with-folic-acid
Diakses pada 07 Oktober 2019Baby Center. https://www.babycenter.com/0_folic-acid-why-you-need-it-before-and-during-pregnancy_476.bc
Diakses pada 07 Oktober 2019Web MD. https://www.webmd.com/baby/folic-acid-and-pregnancy#1
Diakses pada 07 Oktober 2019