Gould, M. (2006). Focus on comprehension. Singapore: Learners Pulishing.
Trích dẫn kiểu ChicagoGould, Mike. Focus On Comprehension. Singapore: Learners Pulishing, 2006.
MLA引文Gould, Mike. Focus On Comprehension. Singapore: Learners Pulishing, 2006.
警告:這些引文格式不一定是100%准確.