Oates-Bockenstedt, C., & Oates, M. (2008). Earth science success: 50 lesson plans for grades 6-9. NSTA Press.
Lua i Stíl Chicago (17ú heag.)Oates-Bockenstedt, Catherine, agus Michael Oates. Earth Science Success: 50 Lesson Plans for Grades 6-9. Arlington, Va.: NSTA Press, 2008.
Lua MLA (9ú heag.)Oates-Bockenstedt, Catherine, agus Michael Oates. Earth Science Success: 50 Lesson Plans for Grades 6-9. NSTA Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.