Pratt, H., & Bybee, R. W. (2012). The NSTA reader's guide to a framework for K-12 science education: Practices, crosscutting concepts, and core ideas (Expanded edition.). NSTA Press.
Čikaški stil citiranja (17. izdanje)Pratt, Harold, i Rodger W. Bybee. The NSTA Reader's Guide to a Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas. Expanded edition. Arlington, Virginia: NSTA Press, 2012.
MLA način citiranja (9. izdanje)Pratt, Harold, i Rodger W. Bybee. The NSTA Reader's Guide to a Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas. Expanded edition. NSTA Press, 2012.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.