Gough, C. (2010). IELTS target 5.0: Leading to IELTS Academic. Garnet Education.
Chicago Style (17th ed.) CitationGough, Chris. IELTS Target 5.0: Leading to IELTS Academic. London: Garnet Education, 2010.
MLA引文Gough, Chris. IELTS Target 5.0: Leading to IELTS Academic. Garnet Education, 2010.
警告:這些引文格式不一定是100%准確.