Gaya APA

Smith, N, C., Smith, A, P, M. (2006). Obstetric and Gynaecological Ultrasound Made Easy Second Edition (Cet. 2). : Elsevier.

Gaya MLA

Smith, Norman, C.., Smith, A., Pat, M.. "Obstetric and Gynaecological Ultrasound Made Easy Second Edition". Cet. 2 : Elsevier, 2006. Text.