Harris, R. H., & Emberley, M. (2009). It's perfectly normal: A book about changing bodies, growing up, sex and sexual health (3rd ed.). Candlewick Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harris, Robie H., و Michael Emberley. It's Perfectly Normal: A Book About Changing Bodies, Growing Up, Sex and Sexual Health. 3rd ed. Somerville, Mass.: Candlewick Press, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Harris, Robie H., و Michael Emberley. It's Perfectly Normal: A Book About Changing Bodies, Growing Up, Sex and Sexual Health. 3rd ed. Candlewick Press, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.