Spann, M. B. (1997). 30 collaborative books for your class to make and share!: Easy patterns & how-to's for creating a year's worth of thematic rhyming books. Scholastic Professional Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Spann, Mary Beth. 30 Collaborative Books for Your Class to Make and Share!: Easy Patterns & How-to's for Creating a Year's Worth of Thematic Rhyming Books. New York: Scholastic Professional Books, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Spann, Mary Beth. 30 Collaborative Books for Your Class to Make and Share!: Easy Patterns & How-to's for Creating a Year's Worth of Thematic Rhyming Books. Scholastic Professional Books, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.