Gaya APA
Focus, Science. (2010).
Workbook Science for elementary school 6A .
Jakarta:
Yudhistira.
Gaya Chicago
Focus, Science.
Workbook Science for elementary school 6A.
Jakarta:
Yudhistira,
2010.
Text.
Gaya MLA
Focus, Science.
Workbook Science for elementary school 6A.
Jakarta:
Yudhistira,
2010.
Text.
Gaya Turabian
Focus, Science.
Workbook Science for elementary school 6A.
Jakarta:
Yudhistira,
2010.
Print.