APA (7 वां संस्करण) प्रशस्ति पत्र
Sperber, G. H., Sperber, S. M., & Guttmann, G. D. (2010). Craniofacial embryogenetics and development (2nd ed.). People's Medical Pub. House USA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Sperber, Geoffrey H., Steven M. Sperber, और Geoffrey D. Guttmann. Craniofacial Embryogenetics and Development. 2nd ed. Shelton, CT: People's Medical Pub. House USA, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Sperber, Geoffrey H., et al. Craniofacial Embryogenetics and Development. 2nd ed. People's Medical Pub. House USA, 2010.
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