APA引文

Thakur, J. K. (2002). Ultrasonic assessment of early pregnancy bleeding.

芝加哥风格引文

Thakur, Jay Kumar. Ultrasonic Assessment of Early Pregnancy Bleeding. 2002.

MLA引文

Thakur, Jay Kumar. Ultrasonic Assessment of Early Pregnancy Bleeding. 2002.

警告:这些引文格式不一定是100%准确.