Gaya APA

Beek, E., R., V, R, R. (2015). Diagnostic Pediatric Ultrasound (1st Edition). Stuttgart ; New York: Thieme.

Gaya MLA

Beek, Erik., R., Van, Rijn,, Rick. "Diagnostic Pediatric Ultrasound". 1st Edition Stuttgart ; New York: Thieme, 2015. Teks.