Sheerin, S. (1996). Self - Access. England: Oxford University Press.
Trích dẫn kiểu ChicagoSheerin, Susan. Self - Access. England: Oxford University Press, 1996.
MLA引文Sheerin, Susan. Self - Access. England: Oxford University Press, 1996.
警告：这些引文格式不一定是100％准确.