Gaya APA
Kovalik, S, J., Olsen, K, D. (2007).
Kid's eye view of science: A conceptual, integrated approach to teaching science, K-6 .
Thousand Oaks, California:
Corwin Sage.
Gaya MLA
Kovalik, Susan, J.., Olsen, Karen, D..
"Kid's eye view of science: A conceptual, integrated approach to teaching science, K-6".
Thousand Oaks, California:
Corwin Sage,
2007.
Text.