Gaya APA

ETS, . (2017). Official GRE Verbal Reasoning Practice Questions with Pratice for the Analytical Writing measure (Volume 1 Second Edition). usa: McGraw Hill Education.

Gaya MLA

ETS, . "Official GRE Verbal Reasoning Practice Questions with Pratice for the Analytical Writing measure". Volume 1 Second Edition usa: McGraw Hill Education, 2017. Buku.