Gaya APA
The Official Guide to the GRE Revised General Test. (2010).
United States:
Graduate Record Examinations (GRE).
Gaya Chicago
The Official Guide to the GRE Revised General Test.
.
United States:
Graduate Record Examinations (GRE),
2010.
Text.
Gaya MLA
The Official Guide to the GRE Revised General Test.
.
United States:
Graduate Record Examinations (GRE),
2010.
Text.
Gaya Turabian
The Official Guide to the GRE Revised General Test.
United States:
Graduate Record Examinations (GRE),
2010.
Print.