Coolidge, S. (1994). What Katy did next. London: Puffin Books.
Trích dẫn kiểu ChicagoCoolidge, Susan. What Katy Did Next. London: Puffin Books, 1994.
MLA引文Coolidge, Susan. What Katy Did Next. London: Puffin Books, 1994.
警告：這些引文格式不一定是100％准確.
APA引文