Gaya APA

Norton, Mary E, Scoutt, Leslie M, Feldstein, Vickie A. (2017). Callen's Ultrasonography in Obstetrics and Gynecology, 6th ed. (6th. Ed). Philadelphia: Elsevier.

Gaya Chicago

Norton, Mary E, Scoutt, Leslie M, Feldstein, Vickie A. Callen's Ultrasonography in Obstetrics and Gynecology, 6th ed.. 6th. Ed Philadelphia: Elsevier, 2017. Text.

Gaya MLA

Norton, Mary E, Scoutt, Leslie M, Feldstein, Vickie A. Callen's Ultrasonography in Obstetrics and Gynecology, 6th ed.. 6th. Ed Philadelphia: Elsevier, 2017. Text.

Gaya Turabian

Norton, Mary E, Scoutt, Leslie M, Feldstein, Vickie A. Callen's Ultrasonography in Obstetrics and Gynecology, 6th ed.. 6th. Ed Philadelphia: Elsevier, 2017. Print.