Gaya APA

KRAJCIK, J, S. (2003). TEACHING SCIENCE IN ELEMENTARY AND MIDDLE SCHOOL CLASSROOM/ Joseph S. Krajcik (ed 2). USA: Mc Graw Hill.

Gaya MLA

KRAJCIK, Joseph, S.. "TEACHING SCIENCE IN ELEMENTARY AND MIDDLE SCHOOL CLASSROOM/ Joseph S. Krajcik". ed 2 USA: Mc Graw Hill, 2003. Text.