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.