APA Zitierstil

Ward, R. H., Modell, B., Petrou, M., Karagözlu, F., & Douratsos, E. (1983). Method of sampling chorionic villi in first trimester of pregnancy under guidance of real time ultrasound.

Chicago Zitierstil

Ward, R H., B. Modell, M. Petrou, F. Karagözlu, und E. Douratsos. Method of Sampling Chorionic Villi in First Trimester of Pregnancy Under Guidance of Real Time Ultrasound. 1983.

MLA Zitierstil

Ward, R H., et al. Method of Sampling Chorionic Villi in First Trimester of Pregnancy Under Guidance of Real Time Ultrasound. 1983.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.