Richardson, S. A., Grimm, E. R., & Guttmacher, A. F. (1967). Childbearing: Its social and psychological aspects. Williams & Wilkins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRichardson, Stephen A., Elaine Ruth Grimm, और Alan Frank Guttmacher. Childbearing: Its Social and Psychological Aspects. [Baltimore]: Williams & Wilkins, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRichardson, Stephen A., et al. Childbearing: Its Social and Psychological Aspects. Williams & Wilkins, 1967.
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