Gairns, R. (2009). Oxford word skills. Vermilion.
芝加哥风格引文Gairns, Ruth. Oxford Word Skills. London: Vermilion, 2009.
MLA引文Gairns, Ruth. Oxford Word Skills. Vermilion, 2009.
警告：这些引文格式不一定是100％准确.
APA引文
Gairns, R. (2009). Oxford word skills. Vermilion.
芝加哥风格引文Gairns, Ruth. Oxford Word Skills. London: Vermilion, 2009.
MLA引文Gairns, Ruth. Oxford Word Skills. Vermilion, 2009.