Gaya APA
The Continents (Social Studies). ().
:
State&National Standards.
Gaya Chicago
The Continents (Social Studies).
.
:
State&National Standards,
.
.
Gaya MLA
The Continents (Social Studies).
.
:
State&National Standards,
.
.
Gaya Turabian
The Continents (Social Studies).
:
State&National Standards,
.
.