Gaya APA

Rizk, B, R., Puscheck, E, E. (2015). Ultrasonography in Gynecology . Cambridge, Inggris: Cambridge University Press.

Gaya MLA

Rizk, Botros, R.M.B.., Puscheck, Elizabeth, E.. "Ultrasonography in Gynecology". Cambridge, Inggris: Cambridge University Press, 2015. Text.