APA引文

(2003). GRE general test, [electronic resource] Powerprep software.

Chicago Style (17th ed.) Citation

GRE General Test, [electronic Resource] Powerprep Software. 2003.

MLA引文

GRE General Test, [electronic Resource] Powerprep Software. 2003.

警告：這些引文格式不一定是100％准確.