(2012). 50 steps to improving your academic writing: Study book. Garnet Pub..
芝加哥风格引文50 Steps to Improving Your Academic Writing: Study Book. Reading: Garnet Pub., 2012.
MLA引文50 Steps to Improving Your Academic Writing: Study Book. Garnet Pub., 2012.
警告：这些引文格式不一定是100％准确.