Queenan, J. T., Spong, C. Y., & Lockwood, C. J. (2015). Protocols for high-risk pregnancies: An evidence-based approach (Sixth edition.). Wiley Blackwell.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रQueenan, John T., Catherine Y. Spong, और Charles J. Lockwood. Protocols for High-risk Pregnancies: An Evidence-based Approach. Sixth edition. Chichester, England: Wiley Blackwell, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रQueenan, John T., et al. Protocols for High-risk Pregnancies: An Evidence-based Approach. Sixth edition. Wiley Blackwell, 2015.
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