Callen, P. W. (1988). Ultrasonography in obstetrics and Gynecology.
Chicagoスタイル(17版)引用形式Callen, Peter W. Ultrasonography in Obstetrics and Gynecology. 1988.
MLA(9版)引用形式Callen, Peter W. Ultrasonography in Obstetrics and Gynecology. 1988.
警告: この引用は必ずしも正確ではありません.