Tolman, M. N. (2006). Hands-on life science activties for grades K-6 (2nd ed.). Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Tolman, Marvin N. Hands-on Life Science Activties for Grades K-6. 2nd ed. San Francisco, CA: Jossey-Bass, 2006.
Lua MLA (9ú heag.)Tolman, Marvin N. Hands-on Life Science Activties for Grades K-6. 2nd ed. Jossey-Bass, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.