Gaya APA

Chudleigh, T. (2017). Obstetric and Gynaecological Ultrasound; How, Why and When . New York: Elsevier.

Gaya MLA

Chudleigh, Trish. "Obstetric and Gynaecological Ultrasound; How, Why and When". New York: Elsevier, 2017. Text.