Calabrese, K., & Medina, J. (2018). Lena's shoes are nervous: A first-day-of-school dilemma (First edition.). Atheneum Books for Young Readers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Calabrese, Keith, و Juana Medina. Lena's Shoes Are Nervous: A First-day-of-school Dilemma. First edition. New York: Atheneum Books for Young Readers, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Calabrese, Keith, و Juana Medina. Lena's Shoes Are Nervous: A First-day-of-school Dilemma. First edition. Atheneum Books for Young Readers, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.