Cita APA
KRISTOFFERSEN, K., & BANG, J. (1988). DIAGNOSTIC ULTRASOUND IN PREGNANCY.
Citación estilo Chicago
KRISTOFFERSEN, K., and J. BANG. DIAGNOSTIC ULTRASOUND IN PREGNANCY. 1988.
Cita MLA
KRISTOFFERSEN, K., and J. BANG. DIAGNOSTIC ULTRASOUND IN PREGNANCY. 1988.
Warning: These citations may not always be 100% accurate.