Barrons & Green,S. (2014). GRE (20th.). Galgotia publications Pvt.Ltd.
Chicago Style (17th ed.) CitationBarrons and Green,S. GRE. 20th. New Delhi: Galgotia publications Pvt.Ltd, 2014.
MLA引文Barrons and Green,S. GRE. 20th. Galgotia publications Pvt.Ltd, 2014.
警告:這些引文格式不一定是100%准確.