Symonds, E. M., Chang, A., & Sahota, D. (2001). Fetal electrocardiography. Imperial College Press ; Distributed by World Scientific Pub. Co..
Chicago (17e ed.) BronvermeldingSymonds, E. M., Allan Chang, en Daljit Sahota. Fetal Electrocardiography. London : River Edge, NJ: Imperial College Press ; Distributed by World Scientific Pub. Co., 2001.
MLA (9e ed.) BronvermeldingSymonds, E. M., et al. Fetal Electrocardiography. Imperial College Press ; Distributed by World Scientific Pub. Co., 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.