Gaya APA
9679. (1).
:
State&National Standards.
Gaya Chicago
9679.
The Continents (Social Studies).
:
State&National Standards,
1.
10/O/EDU/009.
Gaya MLA
9679.
The Continents (Social Studies).
:
State&National Standards,
1.
10/O/EDU/009.
Gaya Turabian
9679.
:
State&National Standards,
1.
10/O/EDU/009.