Lauer, J. M. (1991). Four worlds of writing (3rd ed.). New York, NY: HarperCollins Publishers.
Trích dẫn kiểu ChicagoLauer, Janice M. Four Worlds of Writing. 3rd ed. New York, NY: HarperCollins Publishers, 1991.
MLA引文Lauer, Janice M. Four Worlds of Writing. 3rd ed. New York, NY: HarperCollins Publishers, 1991.
警告:这些引文格式不一定是100%准确.