Brewer, S., Bhattacharya, S., Davies, J., Meredith, S., & Preston, P. (2019). The science of pregnancy (New edition, American edition.). DK.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrewer, Sarah, Shaoni Bhattacharya, Justine Davies, Sheena Meredith, और Penny Preston. The Science of Pregnancy. New edition, American edition. New York, New York: DK, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrewer, Sarah, et al. The Science of Pregnancy. New edition, American edition. DK, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.