APA-viite

(2003). Practicing to take the GRE general test: We prepare the Tests - Let us help prepare you! Education Testing Service.

Chicago-tyylinen lähdeviittaus

Practicing to Take the GRE General Test: We Prepare the Tests - Let Us Help Prepare You! Education Testing Service, 2003.

MLA-viite

Practicing to Take the GRE General Test: We Prepare the Tests - Let Us Help Prepare You! Education Testing Service, 2003.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.