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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (9ú heag.)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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.