O'Leary, T. J. (2004). Computing essentials 2004. Boston: McGraw-Hill/Irwin.
Trích dẫn kiểu ChicagoO'Leary, Timothy J. Computing Essentials 2004. Boston: McGraw-Hill/Irwin, 2004.
MLA引文O'Leary, Timothy J. Computing Essentials 2004. Boston: McGraw-Hill/Irwin, 2004.
警告：这些引文格式不一定是100％准确.