APA (7e ed.) Bronvermelding

Napolitano, R., Dhami, J., Ohuma, E., Ioannou, C., Conde-Agudelo, A., Kennedy, S., . . . Papageorghiou, A. (2014). Pregnancy dating by fetal crown-rump length: A systematic review of charts.

Chicago (17e ed.) Bronvermelding

Napolitano, R., J. Dhami, E. Ohuma, C. Ioannou, A. Conde-Agudelo, S. Kennedy, J. Villar, en A. Papageorghiou. Pregnancy Dating by Fetal Crown-rump Length: A Systematic Review of Charts. 2014.

MLA (9e ed.) Bronvermelding

Napolitano, R., et al. Pregnancy Dating by Fetal Crown-rump Length: A Systematic Review of Charts. 2014.