Gaya APA
Savage, Tom V., Armstrong, David G.. (1987).
Effective Teaching in Elementary Social Studies .
USA:
Macmilan.
Gaya Chicago
Savage, Tom V., Armstrong, David G..
Effective Teaching in Elementary Social Studies.
USA:
Macmilan,
1987.
Text.
Gaya MLA
Savage, Tom V., Armstrong, David G..
Effective Teaching in Elementary Social Studies.
USA:
Macmilan,
1987.
Text.
Gaya Turabian
Savage, Tom V., Armstrong, David G..
Effective Teaching in Elementary Social Studies.
USA:
Macmilan,
1987.
Print.