Klaas, K. M. (2025). Mayo Clinic guide to your baby's first years: Clear answers and expert advice for every phase with your infant and toddler ([Third edition].). Mayo Clinic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKlaas, Kelsey M. Mayo Clinic Guide to Your Baby's First Years: Clear Answers and Expert Advice for Every Phase with Your Infant and Toddler. [Third edition]. Rochester, MN: Mayo Clinic Press, 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKlaas, Kelsey M. Mayo Clinic Guide to Your Baby's First Years: Clear Answers and Expert Advice for Every Phase with Your Infant and Toddler. [Third edition]. Mayo Clinic Press, 2025.
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