Silva, D. L. (1999). Design, development and evaluation of a web-based interactive multimedia courseware in analytic geometry (http: //members.aol.com/dlsilva1/index). Animo Repository.
Chicago Style CitationSilva, Dante L. Design, Development and Evaluation of a Web-based Interactive Multimedia Courseware in Analytic Geometry (http: //members.aol.com/dlsilva1/index). Animo Repository, 1999.
MLA引文Silva, Dante L. Design, Development and Evaluation of a Web-based Interactive Multimedia Courseware in Analytic Geometry (http: //members.aol.com/dlsilva1/index). Animo Repository, 1999.
警告：這些引文格式不一定是100％准確.