Ferber, R. (2006). Solve your child's sleep problems (New rev. and expanded ed., Fireside ed., 2nd ed.). Fireside.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFerber, Richard. Solve Your Child's Sleep Problems. New rev. and expanded ed., Fireside ed., 2nd ed. New York: Fireside, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFerber, Richard. Solve Your Child's Sleep Problems. New rev. and expanded ed., Fireside ed., 2nd ed. Fireside, 2006.
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