APA-ийн эшлэл(7 дахь хэвлэлт)

(2003). GRE. Powerprep Software. Version 3.1: Test Preparation for the GRE General Test. Educational Testing Service.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

GRE. Powerprep Software. Version 3.1: Test Preparation for the GRE General Test. Princeton, NJ: Educational Testing Service, 2003.

MLA -ийн эшлэл (9 дэх хэвлэлт)

GRE. Powerprep Software. Version 3.1: Test Preparation for the GRE General Test. Educational Testing Service, 2003.