APA-viite (7. p.)
ETS. (2025). Official GRE Verbal Reasoning Practice Questions: With practice for the analytical writing measure (3rd Ed.). McGraw hill Education.
Chicago-viite (17. p.)
ETS. Official GRE Verbal Reasoning Practice Questions: With Practice for the Analytical Writing Measure. 3rd Ed. Chennai: McGraw hill Education, 2025.
MLA-viite (9. p.)
ETS. Official GRE Verbal Reasoning Practice Questions: With Practice for the Analytical Writing Measure. 3rd Ed. McGraw hill Education, 2025.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.