Ruth, L. C. (2000). Design standards for childrens environments. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRuth, Linda Cain. Design Standards for Childrens Environments. McGraw-Hill, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRuth, Linda Cain. Design Standards for Childrens Environments. McGraw-Hill, 2000.
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