NHS. https://www.nhs.uk/common-health-questions/pregnancy/can-i-get-pregnant-if-i-have-sex-without-penetration/Diakses pada 24 Februari 2020Planned Parenthood. https://www.plannedparenthood.org/learn/teens/ask-experts/can-i-get-pregnant-from-tongue-kissingDiakses pada 24 Februari 2020Better Health Channel. https://www.betterhealth.vic.gov.au/health/ConditionsAndTreatments/kissing-and-your-healthDiakses pada 24 Februari 2020