Gaya APA
Allfred E, dkk. (2005).
TEACHING SCIENCE TO CHILDREN (SIXTH EDITION).
New York:
MC GRAW HILL.
Gaya Chicago
Allfred E, dkk.
TEACHING SCIENCE TO CHILDREN.
SIXTH EDITION
New York:
MC GRAW HILL,
2005.
Text.
Gaya MLA
Allfred E, dkk.
TEACHING SCIENCE TO CHILDREN.
SIXTH EDITION
New York:
MC GRAW HILL,
2005.
Text.
Gaya Turabian
Allfred E, dkk.
TEACHING SCIENCE TO CHILDREN.
SIXTH EDITION
New York:
MC GRAW HILL,
2005.
Print.