Roberts, R. (1990). Computer viruses. Galgotia.
Chicago Edition CitationRoberts, Ralph. Computer Viruses. New Delhi: Galgotia, 1990.
MLA引文Roberts, Ralph. Computer Viruses. Galgotia, 1990.
警告：這些引文格式不一定是100％准確.
APA引文
Roberts, R. (1990). Computer viruses. Galgotia.
Chicago Edition CitationRoberts, Ralph. Computer Viruses. New Delhi: Galgotia, 1990.
MLA引文Roberts, Ralph. Computer Viruses. Galgotia, 1990.