Gaya APA
9678. (1).
:
State&National Standards.
Gaya Chicago
9678.
The Heart (Science).
:
State&National Standards,
1.
11/O/EDU/059.
Gaya MLA
9678.
The Heart (Science).
:
State&National Standards,
1.
11/O/EDU/059.
Gaya Turabian
9678.
:
State&National Standards,
1.
11/O/EDU/059.